4) 4+5(-3х+7)=-9
5) -7+2(7х-2)=10
6) 10-2(-х-7)=9
7) 8-4(-7х+8)=4
8) -1+(7-6х)=2х+6
9) -2+3(1+2х)=-2х+3
10) -3х+4=-10+5(-7-х)
11) 5х-4=4-3(5-2х)
12) -1-4(-7+8х)=-2х-6
13) 4(7+х)-3х=7
кто поможет все это решить тому плюс еще +10 баллов
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