Вопрос:

Ответ:

\[10x - 5 - 6x - 4 - 2 + 5x = 10\]

\[9x = 21\]

\[x = \frac{21}{9}\]

\[x = 2\frac{1}{3}\]

\[Ответ:x = 2\frac{1}{3}.\]