Ответ:
-1
Пошаговое объяснение:
3х - 2(3х - 1) = 2х + 7
3x - 6x + 2 = 2x + 7
3x - 6x - 2x = 7 - 2
-5x = 5
x = 5 : (-5)
x = -1
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Answers & Comments
Ответ:
-1
Пошаговое объяснение:
3х - 2(3х - 1) = 2х + 7
3x - 6x + 2 = 2x + 7
3x - 6x - 2x = 7 - 2
-5x = 5
x = 5 : (-5)
x = -1