Предмет: Математика, автор: pikovleha

Решите пожалуйста уравнение 4,2у-2,8=-1,4у+2,8

Ответы

Автор ответа: ndusha
0
4,2у-2,8=-1,4у+2,8
4,2у+1,4у=2,8+2,8
5,6у=5,6
у=5,6/5,6
у=1
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