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Автор - Flin02

как решить уравнение:
4,7x-(2,5x+12,4)=1,9

Ответ

Автор - facebook3000
4.7х-2.5х-12.4=1.9
4.7х-2.5х=1.9+12.4
2.2х=14.3
х=14.3:2.2
х=6.5

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