Предмет: Математика, автор: tukovzaxar

4(-y-0,5)-2,5=-5(0,2+1,5y)

Ответы

Автор ответа: Laiven

4(-y-0.5)-2.5=-5(0.2+1.5y)
-4y-2-2.5=-1-7.5y
-4y-4.5=-1-7.5y
-4y+7.5y=-1+4.5
3.5y=3.5
y=3.5:3.5
y=1

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