Question

3х+2=3,5х-2. 2х-2,2=4х+4,8

Answer 1

Ответ:

3х+2=3.5х,-2

3х-3.5х=-2-2

-0.5х= -4

х= 8

2х-2.2=4х+4.8

2х-4х=4.8+2.2

-2х= 7

х=-3.5