Предмет: Математика, автор: adiyanekryaca

21(x-5)=2 (10-7x)
полное решение
за ФИГНЮ жалоба
срочно!!
математика 6 класс​

Ответы

Автор ответа: morute
8

Ответ:

21х-105=20-14х

21х+14х=105+20

35х=125

х=125/35

х=25/7

х=3 4/7

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