Ответ:
#4.
Г)2(5+x)=10+2x.
10+2х=10+2х.
#5.
Б)44
7x+x-5x=132;
8х-5х=132;
3х=132|:3.
х=44
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Answers & Comments
Ответ:
#4.
Г)2(5+x)=10+2x.
10+2х=10+2х.
#5.
Б)44
7x+x-5x=132;
8х-5х=132;
3х=132|:3.
х=44