Предмет: Математика, автор: nynok3ceperu

решите уравнение плз 15-2(х-2)=22+х

Ответы

Автор ответа: ZayacZnaniy

174

15 - 2 (х-2) = 22 + х
15 - 2х + 4 = 22 + х
-2х - х = 22 - 15 - 4
-3х = 3
х = 3 : (-3)
х = -1.
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