Решите уравнение 15х+7(3-х)=-3

Question

Решите уравнение
15х+7(3-х)=-3

Answer 1

15х+7(3-х)=-3
15х+21-7х=-3
15х-7х=-3-21
8х=-24
х=-24:8
х=-3

Answer 2

15х+7(3-х)=-3
15х+21-7х=-3
15х-7х=-21-3
8х=-24
х=-3