Предмет: Математика, автор: Puusia

Решите уравнение:
1,2+ 3/10y=8/15y+0,78
Пожалуйста.

Ответы

Автор ответа: juliika2001
1

1,2+ 3/10y=8/15y+0,78

3/10у - 8/15у = 0,78 - 1,2

-7/30у = -42/100 = -21/50

у = -21/50 : (-7/30) = -21/50 х (-30/7)

у  =9/5 = 1,8

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a our b their c my
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a they b she c we
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