8x+3(7-2x)=4x+3 x=? Помогите

Question

8x+3(7-2x)=4x+3
x=?
Помогите

Comments

8х+21-6х=4х+3; 2х+21=4х+3;2х-4х=3-21;-2х=-18;х=—18:(—2);х=9

Answer 1

8x+3(7-2x)=4x+3
8x+21-6x=4x+3
2x+21=4x+3
2x-4x=3-21
-2x=-18
x=9
Ответ: х= 9 

Comments

спс

Answer 2

8х+21-6х=4х+3

-2х=-18

х=-18/-2

х=9