-4х+3=-2х 6+5х=2х+9 -4[3-х]=2х+9 7+3[2х+1]=4

Question

-4х+3=-2х
6+5х=2х+9
-4[3-х]=2х+9
7+3[2х+1]=4

Answer 1

1. -4х+3=-2х
3=4х-2х
2х=3
х= 1,5

2. 6+5х=2х+9
5х-2х=9-6
2х=3
х=1,5