ZI= 3x-4, IL =4x+5, and ZL =22 What is the value of x? Segment Addition!

I use the Segment Addition Postulate to solve ZI= 3x-4, IL =4x+5, and ZL =22 What is the value of x? I explain how to set this up accurately. If this content is beneficial, please subscribe! I didn't realize the x=3 was behind my camera. Sorry!