3(x-2) - 5x = 23x - 6 - 5x = 2-2x - 6 = 2-2x = 8x = -4
(5x + 9) * 2 - 2x = -1410x + 18 - 2x = -148x + 18 = -148x = -32x = -4
Ответ: x = -4.
3(x-2) - 5x = 2
3x - 6 - 5x = 2
-2x - 6 = 2
-2x = 8
x = -4
(5x + 9) * 2 - 2x = -14
10x + 18 - 2x = -14
8x + 18 = -14
8x = -32
x = -4
Ответ: x = -4.