Предмет: Математика, автор: ljrnjh2007

Реши уравнение (7m + 9) - (11m - 7 ) = 8 пожалуйста даю 15 баллов

Ответы

Автор ответа: asema1720

Ответ:

(7m + 9) - (11m - 7 ) = 8

7m + 9 -11m + 7 = 8

-4m + 16 = 8

-4m = 8 - 16

-4m = -8

m = -8:(-4)

m = 2

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