Ответ: \[9x - 6(x - 1) = 5(x + 2)\] \[9x - 6x + 6 = 5x + 10\] \[3x - 5x = 10 - 6\] \[- 2x = 4\] \[x = 4\ :( - 2)\] \[x = - 2.\]