-5 * (x + 3) - 6 = 2 * (x - 4)
-5x - 15 - 6 = 2x - 8
-5x - 21 = 2x - 8
-5x - 2x = -8 + 21
-7x = 13
x = -13/7
x = -1 6/7
Ответ: -1 6/7
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-5 * (x + 3) - 6 = 2 * (x - 4)
-5x - 15 - 6 = 2x - 8
-5x - 21 = 2x - 8
-5x - 2x = -8 + 21
-7x = 13
x = -13/7
x = -1 6/7
Ответ: -1 6/7