Вопрос:

Ответ:

\[- x - 6x + 24 = - x - 12x - 24\]

\[- 7x + 24 = - 13x - 24\]

\[- 7x + 13x = - 24 - 24\]

\[6x = - 48\]

\[x = - 8\]

\[Ответ:x = - 8.\]