Question

Решите уравнение 4-7•(х-5)=42-6х

Answer 1

-х+6х= 42-4+7
5х=45
х= 45:5
х=9
×=9×5
х=45

Answer 2

Не правильно

Answer 3

4-7(х-5) = 42-6х
4-7х+35 = 42-6х
39-7х = 42-6х
-7х+6х = 42-39
-х = 3
х = -3

Ответ: -3