Ответ:
Пошаговое объяснение:
7(11m +35)-5(61-19m ) = 77m + 245 - 305 + 95m = 172m - 60
========================
172m - 60 = 456
172m = 456+60
172m = 516
m = 516 : 172
m = 3
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Ответ:
Пошаговое объяснение:
7(11m +35)-5(61-19m ) = 77m + 245 - 305 + 95m = 172m - 60
========================
172m - 60 = 456
172m = 456+60
172m = 516
m = 516 : 172
m = 3