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Автор - limon1234567890

Вычислите: 42: – 15,6+1.
Решите уравнение:1,2х-0,6=0,8х-27.

Ответ

Автор - ZhurbenkoVlada
1,2х-0,6=0,8х-27
1,2х-0,8х=-27+0,6
0,4х=-26,4
х=-26,4,4=-2644=-66
Ответ: х=-66

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