Question

3 (2 - x ) + 4 = 7 - 2 x

Answer 1

6-3x+4-7+2x=0

3-x=0

х=3.

Ответ: 3.

Answer 2

6-3х+4=7-2х;

-3х+2х=7-10;

-х=- 3;

х=3...