Question

I'm having trouble finding the answer

Answer 1

16) you are right
3x-4=2x+6
x=10

17)
1st segment = x
2nd segment = 2x
3d segment = 4x+3
equation x+2x+4x+3=38
7x = 38-3
7x=35
x=5
First segemnt = 5 inch
2nd segment 2x = 2*5 = 10 inch
3d segemnt 4x+3=4*5+3=23 inch