Question

5 – 2(x-1) = 4 – 5х
Помогите

Answer 1

Ответ:

х=-1

Пошаговое объяснение:

5 – 2(x-1) = 4 – 5х

5-2х+2=4-5х

7-2х=4-5х

-2х+7=4-5х

-2х=-5х-3

3х=-3

х=-1

Answer 2

Ответ:

5 – 2(x-1) = 4 – 5х;

5 - 2 * x - 2* (-1) = 4 -5x;

5 - 2x + 2 = 4 - 5x;

7 - 2x = 4 - 5x;

-2x + 5x = 4 - 7;

3x = -3;

x = (-3) : 3;

x = -1.