\[3 \bullet (x - 2) - 5 \bullet (x + 1) = - 8x\]
\[3x - 6 - 5x - 5 = - 8x\]
\[3x - 5x + 8x = 6 + 5\]
\[6x = 11\ \ \ \ \ \]
\[x = \frac{11}{6}\]
\[Ответ:\frac{11}{6}.\]