Вопрос:

Ответ:

\[8x + 5 = 119 + (7 - 3x)\]

\[8x + 5 = 119 + 7 - 3x\]

\[8x + 3x = 126 - 5\]

\[11x = 121\]

\[x = \frac{121}{11}\]

\[x = 11.\]