2х+3=0 . -2х+3=0. 3х-2=7 -3х-2=7 4х+3=2х 4х+3=-2х -4х+3=2х -4х+3=-2х 6+5х=2х+9 !

1. 2x+3=O
2x=-3
X=-3/2
X=-1 1/2

2.-2x+3=0
-2x=-3
X= 1 1/2

3. 3x-2=7
3x=7+2
3x=9
X=3

4.-3x-2=7
-3x=9
X=-3

5. 4x+3=2x
4x-2x=-3
2x=-3
X= - 1 1/2

6. 4x+3=-2x
4x+2x=-3
6x=-3
X=-2

7.-4x+3=2x
-4x-2x=-3
-6x=-3
X=2

8. -4x+3=-2x
-4x+2x=-3
-2x=-3
X= 1 1/2

9.6+5x=2x+9
5x-2x= 9-6
3x= 3
X=1