Предмет: Математика, автор: am1987

Х+3/7+Х=1- Икс плюс три седьмых плюс икс равно одна целая напишите пожалуйста подробный ответ

Ответы

Автор ответа: 47lludmila47

получим 2х = 1-3/7 отсюда 2х= 4/7 отсюда х= 4/7 : 2 х= 2/7 ответ 2/7

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