4x+3=2x
6-5x=-2x+9
2(x+1)=3
9-2(3-4x)=-2x+1

4х-2=-3
2х=-3
х=-3:2
х=-1,5.
______
-5х+2х=9-6
-3х=3
х=3:(-3)
х=-1
_________
2х+2=3
2х=3-2
2х=1
х=1:2
х=1,5
________
9-6+8х=-2х+1
8х+2х=1-9+6
10х=-2
х=-2:10
х=-0,2