Предмет: Математика, автор: Maljava

при каких значениях х выражения х+2,4деленое на 7 и х- 0,3 деленое на 3,5 будут равны

Ответы

Автор ответа: OLOLOLOSH

х+2,4=2х-0,6

х+2,4-2х+0,6=0

-х=-3

х=3

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