You could take 3 matches from #8, the top, bottom and lower left corner to leave a #4 in its place and then arrange the 3 matches to make #2 from the #1. (4+2)=6.
Turn it 180°, take 1 match from #9 to make 5 and take 2 matches from the upper left and bottom right of #8 to make a 2, add the 3 matches to #1 to get a 3. 5=(3+2)
Move the vertical half stick of the "+" and cover the "=" at an angle for : 8 - 1 does not = 6.
You could take 3 matches from #8, the top, bottom and lower left corner to leave a #4 in its place and then arrange the 3 matches to make #2 from the #1. (4+2)=6.
One match only, make the 6 a 9.
It can be done with less than one matchstick move.
Turn it 180°, take 1 match from #9 to make 5 and take 2 matches from the upper left and bottom right of #8 to make a 2, add the 3 matches to #1 to get a 3. 5=(3+2)
simple and easy 8+1=9 .
9 + 1 ≠ 6
8+1=9