Предмет: Математика, автор: Erasyl65

5*(y-3)+27=4y+3*(2y-5)​

Ответы

Автор ответа: cooolery
7

Ответ:

Пошаговое объяснение:

5×(у-3)+27=4у+3×(2у-5)

5у-15+27=4у+6у-15

5у+12=10у-15

5у-10у= -15-12

-5у= -27

5у=27

у=27÷5

у=5,4 или 5 2/5

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