Question

4х-7=13 х+1=1 2х+3 = 3 х+1 = 5 х+3=5 х-3 = 1
х-1 4 х+2 2 5-х 5 х-3 4 х+1 3 х+1 2

Answer 1

4x=20
x=5

x=0

2x=0
x=0

x=4

x=2

x=4

x=5

x=0

-x=0
x=0

x=7

x=2

x=1