Предмет: Математика, автор: aidana201004

1)х=+(-1,9)
2)х=-(+0,75)
3)х=+(+3/8)
4)х=-(-2)
5)х=-(+2/3)
6)х=+(-1)

Ответы

Автор ответа: poliarnica

0

9,5х-(3,2х+1,8х)+3,75=6,9
9.5х-5х=6.9-3.75
4.5х=3.15
х=3.15:4.5
х=0.7

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