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Ответ

Ответ дан
YZ6EK

Ответ:

Пошаговое объяснение:

а) 4х-6.4=0

4х=6.4

х=1.6

б) 5х+3=7х-5(2х+1)

5х+3=7х-10х-5

5х+3=-3х-5

5х+3х=-5-3

8х=-8

х=-1

в)х-4/5-2=3х/5

х-4-10=3х

х-14=3х

-2х=14

х=-7

Ответ

Ответ дан
ludmilaolesyap

Ответ:а) 4х-6.4=0

4ха) 4х-6.4=0

4х=6.4

х=1.6

б) 5х+3=7х-5(2х+1)

5х+3=7х-10х-5

5х+3=-3х-5

5х+3х=-5-3

8х=-8

х=-1

в)х-4/5-2=3х/5

х-4-10=3х

х-14=3х

-2х=14

х=-7

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