Question

Решите уравнение -7(2-3x)=56

Answer 1

1)-14+21х=56
21х=56+14
21х=70
х=70:21
х=10/3=3 1/3

Answer 2

-7*2+(-3х*(-7))=56
-14+21х=56
21х= 70
х=3 1/3