Ришите уровнение : 1) 4х-16=2х+26 2) 5+2х=х+9 3) 3+12х=7х+28

Question

Ришите уровнение :

1) 4х-16=2х+26

2) 5+2х=х+9

3) 3+12х=7х+28

Answer 1

1) 4х - 16 = 2х + 26        2) 5+2х = х +9       3)   3+12 х = 7х +28
     4х - 2х = 26 + 16            2х-х = 9 - 5             12х - 7х = 28- 3
     2х = 42                            х = 4                       5х = 25
     х = 21                                                             х = 5

Answer 2

1)4х -2х=26+16
2х=42
х=42:2
х=21
2)2х-х=9-5
х=4
3)12х-7х=28-3
5х=25
х=5