Question

Найдите корень: -7x-28=2x+26

Answer 1

Решение
-7x-28=2x+26
2x + 7x = - 28 - 26
9x = - 54
x = - 6

Answer 2

-7х-2х=26+28
-9х=54
х=54/(-9)
х=-6