Question

(х-5)-(2-2х)=6
-(3х+5)+(4-7х)=4
Тема:подобные слагаемые

Answer 1

х-5-2+2х=6
3х=6+2+5
х=13/3
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-3х-5+4-7х=4
-10х=4-4+5
х=-1/2

Answer 2

Во вложении.........................

Answer 3

-11х