Question

7х – (х + 3) = 3(2х + 1)

Answer 1

Ответ:7х - (х + 3) = 3 * (2х - 1);

7х - х - 3 = 6х - 3;

7х - х - 6х = -3 + 3;

0 = 0.

Ответ:нет корней

Answer 2

:)

Answer 3

Ответ:

7х – (х + 3) = 3(2х + 1)

7х - х - 3 = 6х - 3;

7х - х - 6х = -3 + 3;

0 = 0.