Ответ:
10/3
Пошаговое объяснение:
-7(2-3x) = 56 | : (-7)2-3х = -8-3х = -8-2-3х = -10 | : (-3)х = 10/3проверка-7(2-3*10/3) = 56-7(2-10) = 56-7 * (-8) = 5656=56
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Verified answer
Ответ:
10/3
Пошаговое объяснение:
-7(2-3x) = 56 | : (-7)
2-3х = -8
-3х = -8-2
-3х = -10 | : (-3)
х = 10/3
проверка
-7(2-3*10/3) = 56
-7(2-10) = 56
-7 * (-8) = 56
56=56