Question

х+2=4-х
2х-3=2-3х
2х+3=3х-7
9х-2=5х-2

Answer 1

x+2=4-x
2x=2
x=1

2x-3=2-3x
5x=5
x=1

2x+3=3x-7
3x-2x=3+7
x=10

9x-2=5x-2
4x=0
x=0