GCSE Maths - How to Rearrange Formulas #48

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  • Опубликовано: 16 окт 2024
  • This video covers how rearrange formulas to make a particular variable (letter) the subject. For example 'Rearrange y = 3x + 4 to make x the subject'.
    This video is suitable for maths courses around the world.
    KS3 - All on your course
    GCSE Foundation - All on your course
    GCSE Higher - All on your course
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Комментарии • 233

  • @Cognitoedu
    @Cognitoedu  3 года назад +26

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    @ivvister2303 4 года назад +318

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      @average.travis.stan. 3 года назад +9

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    @Iogan_1 2 года назад +302

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      @vexteambeast2716 Год назад

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  • @joenand-lal1374
    @joenand-lal1374 3 года назад +71

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    @o8198 2 года назад +40

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    @sapolprettyhandsome День назад +7

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  • @shucolatest
    @shucolatest 7 месяцев назад +2

    I got very confused when taught to calculate everything the other way around… this is the best explanation 🌟 thanks 🙏

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    @zainab_hashmiii 3 года назад +9

    this is so well done !! your videos have been a very big help to me and i love how your videos are put together.

    • @Cognitoedu
      @Cognitoedu  3 года назад

      Ah thanks kuv, glad you're finding the videos useful 😊

    • @Tag_Gw
      @Tag_Gw 10 месяцев назад

      ​@@Cognitoeduwhat its the priority order in rearranging formula is divide or multiply

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    @AliKayani-ng6qt 5 месяцев назад +5

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    • @Cognitoedu
      @Cognitoedu  3 года назад +1

      Thankyou Daniel, glad they're helping!

  • @hanachoueli8604
    @hanachoueli8604 2 года назад +7

    You are great! Taught me a lot. At first, I didn't understand but now I do.😁

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    @luzifyblade9594 10 месяцев назад +1

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    @Justsayingthat 2 года назад +3

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  • @anoymous9408
    @anoymous9408 3 года назад +5

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    @julietacheampong3236 7 месяцев назад +1

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    @kiyaan7712 Год назад +2

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    @smorgasborgas Год назад +7

    I'm in 4th year uni and I didn't know how to do this how did I get this far

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    @RoddyB8 11 месяцев назад +1

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    @animuse_1 3 месяца назад

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    @NumairUddin-po7zk 10 месяцев назад +2

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  • @Azzuure
    @Azzuure 11 месяцев назад +1

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    @miajohansson172 2 месяца назад

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    @countriesyasser09 19 дней назад

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    @Alex_-kh8ck 2 года назад +2

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    @paco6839 3 года назад +6

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  • @Storming_boss
    @Storming_boss 2 года назад +2

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  • @nufailanoon
    @nufailanoon 4 месяца назад

    You explain better than my teachers. My teacher's explanation was so confusing
    Thank you very much

  • @neutron-au
    @neutron-au 2 года назад +2

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    • @Cognitoedu
      @Cognitoedu  2 года назад +1

      Glad you liked it 😊

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    @ellenora2431 2 года назад +1

    this guy is everything i needddd gosh

  • @tudor_nechita5612
    @tudor_nechita5612 2 года назад +1

    This helped a lot with my understanding, because I have an exam next week. So thank you for helping me out, and I know who to come to for some more help 😉.

  • @romeesahameem2177
    @romeesahameem2177 Месяц назад

    I am literally using these videos as summary before my maths exam😅😂 well done and keep on making these

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    @julietacheampong3236 7 месяцев назад

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    @diamondcryptic69 5 дней назад +1

    What if theres a squared letter in it

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    @ReemAsif Месяц назад +1

    Watching this 4 days before my entrance exam to a different school 🏫

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    @mayankjha1145 4 года назад +17

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  • @zizizinter
    @zizizinter Год назад +1

    Do you have to expand the bracket at the end?

    • @HOSSAMLSD
      @HOSSAMLSD Год назад

      You are right, we don't expand the parentheses, because of they are groups 😂😂😅😊

  • @WraithX778
    @WraithX778 2 года назад +1

    Thank you sir, you helped me with my homework a lot.

  • @rainbowdurag6826
    @rainbowdurag6826 Месяц назад

    I am a 22 year old college student who passed calculus with an A-. Here I am 2 years removed from math classes trying to remember how to isolate variables. Thank you lol

  • @jarodvmusic
    @jarodvmusic 9 месяцев назад

    Wow it is so simple it is almost ridiculous. I remember this from 5th or 6th grade haha! I thought it would be much more complicated but when a good teacher understands the topic well they can usually explain it in a comprehendible fashion. Good job on a great video!

  • @joshramos9531
    @joshramos9531 Год назад +1

    Quick question, i know the Bidmas or bodmas rule, but why do you do subtraction or addition before the division and multiplication?

    • @FatoomLonley
      @FatoomLonley 11 месяцев назад +1

      because B brackets I indices D division M multiplication. A addition S subtraction

    • @FatoomLonley
      @FatoomLonley 11 месяцев назад +1

      plus uhhhh everyone. knows math is weird ykk!

  • @Nsys93
    @Nsys93 Месяц назад

    How do you do that with powers or square root ?

  • @dxb.shawarma
    @dxb.shawarma 3 года назад +15

    thx for clearing my doubt sir i had a big confusion on understanding this full topic yet i still do but i got little clear thx for that !

  • @dashti.q8
    @dashti.q8 Год назад

    thank you sooo much u saved me last minute i have my mid term in 3 hours!!

  • @anoakenstaff
    @anoakenstaff 3 месяца назад

    Sorry, would you still multiply if it was 6a=3+3/b? 3* ( 6a-3)=b?

  • @mathamagician8044
    @mathamagician8044 3 года назад

    You and freesciencelessons are literally Angles in disguise. I am starting My own education channel so you and freesciencelessons are a big inspiration. The channel I am starting is called Mathamagician.

    • @yourlocalarsehole1196
      @yourlocalarsehole1196 3 года назад

      Hey I watched some of your videos and they're really cool! pLS turn the comments on

  • @Water-Wheelz
    @Water-Wheelz 7 месяцев назад

    Do you have to start by subtracting/adding to both sides? Or can you start with multiplying/dividing both sides?
    (If it is the first one, then is it reverse BEDMAS when doing this?)

    • @skoovee
      @skoovee 5 месяцев назад

      its much eaiser if you just do the addition and subtraction first

  • @MonkeyOfLies22
    @MonkeyOfLies22 3 года назад +5

    You deserve way more subs the this

    • @Cognitoedu
      @Cognitoedu  3 года назад

      Thanks Bob The Builder, we appreciate it 😊

  • @roshanramani8200
    @roshanramani8200 11 месяцев назад

    Thank you you have really helped me 😃

  • @ayishahubbardjefang4024
    @ayishahubbardjefang4024 2 года назад

    yooo you just saved me from my end of u it test!! thanks

    • @Cognitoedu
      @Cognitoedu  2 года назад

      Glad we could help Ayisha!

  • @rtalathoti7135
    @rtalathoti7135 Год назад

    I luv ur videos. They help me ALOT

  • @zara.4351
    @zara.4351 2 года назад +1

    Thank you so much for the help, honestly

  • @astafasedits4927
    @astafasedits4927 2 года назад

    This channel is my lifesaver, i cannot thank you enough💕💕💕💕

  • @laganas2008
    @laganas2008 4 месяца назад +1

    1:35 Hi, why did the brackets go back on the y-4?

    • @laganas2008
      @laganas2008 4 месяца назад

      @Mr_SpeedsterEditor Thank you.

  • @VIC-k3m
    @VIC-k3m Год назад

    Very useful
    I am glad you helped me understand

  • @rose-pp8xj
    @rose-pp8xj 2 года назад +1

    Thanks life saver 🤩🤩🤩
    U should do a-level vids aswell

  • @dhurbagamer2001
    @dhurbagamer2001 7 месяцев назад

    Thankyou so much !Helped a lot!❤

  • @salmannadeem2827
    @salmannadeem2827 2 года назад

    Useful video, thank you so much

    • @Cognitoedu
      @Cognitoedu  2 года назад

      You are very welcome 😊

  • @laish7601
    @laish7601 3 года назад +6

    THIS IS GREAT. THANK YOU SO MUCH!!!!!

  • @humerakaleem4937
    @humerakaleem4937 Год назад

    Thank you Appreciate your effort

  • @mia.skereeee
    @mia.skereeee 2 года назад

    thank you i have my math igcse tomorrow

  • @alti3948
    @alti3948 3 года назад

    you are my saviour. thank you. dont stop posting :)

  • @gabriellabroughton8710
    @gabriellabroughton8710 3 года назад +1

    Thanks, I’m trying to keep up with the work because I wanna try and get to set 1, I’m set 2 rn

    • @Cognitoedu
      @Cognitoedu  3 года назад +2

      Hope we can help, good luck Gabriella 🤞

  • @tyrone3668
    @tyrone3668 2 месяца назад

    What I don’t get is u don’t subtract from both sides. Eg 2y = 6 + 3x if you were to subtract 6 from both sides wouldn’t the equation be -4y = 3x?

    • @katiebaber3620
      @katiebaber3620 2 месяца назад

      you can’t solve 2y-6 because the like terms aren’t the same so you leave the equation as 2y-6

  • @saamiwaj7522
    @saamiwaj7522 3 года назад +1

    amazing video, thank you so much

  • @Shu-Burst
    @Shu-Burst 2 года назад +1

    Thanks you so much needed for my maths test so useful I am grade 8

  • @brainykidz5899
    @brainykidz5899 2 года назад +1

    there is one more method that u can just collect the different variables at one side and keep the variable( that is to be made the subject) kept constant . that is much easier than this one i think.

  • @Wojbest_YT
    @Wojbest_YT 2 года назад +2

    3:40 do you have to expand for full marks

    • @Sniper7J
      @Sniper7J 3 месяца назад +1

      I think itll depend on the question but I'm not the expert so don't take that seriously

    • @Wojbest_YT
      @Wojbest_YT 3 месяца назад +1

      @@Sniper7J why u respond now im doing a levels lmao

    • @Sniper7J
      @Sniper7J 3 месяца назад +1

      @@Wojbest_YToh damn, good luck on ur a levels then

    • @Wojbest_YT
      @Wojbest_YT 3 месяца назад

      @@Sniper7J ty

  • @theoonair9906
    @theoonair9906 Год назад +1

    been strugglibg in lessons this helped alot thanks

  • @lollishesa5583
    @lollishesa5583 3 года назад +2

    Can I just say if I was to do this on a test would I need to put brackets and also would I need to expand it

    • @TheNightMan250
      @TheNightMan250 3 года назад

      I don't think you would need to expand.

  • @harshkalakoti1468
    @harshkalakoti1468 Месяц назад

    Thx for clear my concept

  • @adam6228-p6m
    @adam6228-p6m 4 месяца назад

    thanks for this beneficial lesson

  • @ra1ghtyuchiha219
    @ra1ghtyuchiha219 Год назад

    i have math exam i 2 days, and my teacher taught me nothing, thank you for your existence

  • @angel.1119
    @angel.1119 Год назад

    i got a question how do u know whether to divide or multiply / minus and addition im so confused which one i should use

    • @DeusVult12_
      @DeusVult12_ Год назад

      From my understanding,the rule is you do the inverse: if it's + you would subtract
      If the value is dividing you will times it
      Etc.

    • @skoovee
      @skoovee 5 месяцев назад

      your trying to cancel out the value, so you do the inverse

  • @liande_
    @liande_ 10 месяцев назад

    As a German I don´t know why I understand these English videos better than my math lessons

  • @egressted2.0
    @egressted2.0 2 года назад +1

    THANK YOU !!

  • @cadenmoodleymusic
    @cadenmoodleymusic 16 дней назад +1

    Teacher = attempts to teach me this in 4 lessons but I still don't understand it
    Cognito Maths RUclips = Teaches me in 5 minutes no sweat 🤣🤣🤣

  • @UNKNOWNPERSONALITY111
    @UNKNOWNPERSONALITY111 4 месяца назад +10

    Who is still watching this in 2024😂😂❤!!

  • @potentialgamers2083
    @potentialgamers2083 4 месяца назад +1

    Why we subtarat by four not adding 4

  • @KatelynThomas-S
    @KatelynThomas-S Год назад

    this really helped for my exams

  • @dariaaljallad2854
    @dariaaljallad2854 2 года назад

    currently binge watching your videos 4 hours before my may June exam, I don’t know how to thank you enough sir

  • @factpointchannel5198
    @factpointchannel5198 3 года назад +2

    good explanation and I can understand topics so easily for my o/levels ,thank you.

    • @Cognitoedu
      @Cognitoedu  3 года назад +2

      Thanks, glad we could help 👍

  • @rumpusnavalfleet9644
    @rumpusnavalfleet9644 3 года назад +8

    Thank you, I understood it all

  • @shituandzouma1457
    @shituandzouma1457 3 года назад

    thank you got a big test coming up

  • @doodydoodle6696
    @doodydoodle6696 3 года назад

    Thank you so much!!

  • @GymAthletes
    @GymAthletes 2 года назад

    thank you, it was a great video to jog my memory!

  • @awaisrashid1509
    @awaisrashid1509 2 года назад

    Thank u so much sir

  • @holden_hater_mercedes_bett1172

    thank you brother

  • @nicolewilliams2094
    @nicolewilliams2094 Год назад

    Someone please help. Why does multiplying b/2 by 2 = b???

  • @aliazmat4568
    @aliazmat4568 Год назад +2

    I actually I got this topic in the question

  • @ronaldootubelu8809
    @ronaldootubelu8809 Год назад

    Taught me more than an hour long lesson of waffling

  • @LukeJapok8
    @LukeJapok8 2 года назад +1

    Woow, this really help me❤️

  • @atomicwizard7334
    @atomicwizard7334 3 года назад +2

    Idk how to rearrang Δx=vt+½at²... how do I get rid of the t??

    • @atomicwizard7334
      @atomicwizard7334 3 года назад

      @Freya Roach turns out i needed to use the qudratic formula.

  • @TheAmazingPickles
    @TheAmazingPickles 3 месяца назад +2

    YOOOOOOO MATH

    • @Newo512
      @Newo512 3 месяца назад +1

      crazy right

  • @gamerpumpking1675
    @gamerpumpking1675 Год назад

    Thank you

  • @ibukunoni3568
    @ibukunoni3568 4 года назад +1

    Great video. This should be helpful for year 9.

    • @fifa22rtg96
      @fifa22rtg96 3 года назад +1

      @@paralyzed2633 no one asked

    • @ibrahimvlogs2480
      @ibrahimvlogs2480 3 года назад

      @@fifa22rtg96 No one asked you for a reply.