Предмет: Математика, автор: Railgun482947

(x+7)*2-10=20
Решите пожалуйста уровнением)

Ответы

Автор ответа: kuzminanika200
0
2х+14-10=2-
2х+4=20
2х=20-4
2х=16
х=16:2
х=8
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