Question

-6(2x+1)=-42-3х пжпжпжп​

Answer 1

$\displaystyle -6(2x+1)=-42-3x\\-12x-6=-42-3x\\-12x+3x=-42+6\\-9x=-36\\x=4$

Answer 2

-6 (2х + 1) = - 42 - 3х
- 12х - 6 = - 42 - 3х
- 12х + 3х = - 42 + 6
- 9х = - 36
х = - 36 / (-9)
х = 4

Ответ: 4