Автор - kseniyatarasova2003

8,7x-4,5x=10,5 решите

Ответ

Автор - xnasika
4.2x=10.5
x=2.5
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Ответ

Автор - Andremon
4.2x=10.5
x= 10.5:4.2
х=2.5

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