Предмет: Алгебра, автор: dgolola0101

(х-3)-(3х-4)=15 решение

Ответы

Автор ответа: Dushzhanov987
0
х-3-3х+4=15
-2х+1=15
-2х=15-1
-2х=14
х=-7
ответ: -7
Автор ответа: lena342
0
х-3-3х+4-15=0
-2х-14=0
х=-14/2
х=-7
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