1) -х+2(7-9х)=х-4
2) -7х+9(2+х)=-4х+3
3) -х+4(7-х)=-7х+5
4) х-3(1-7х)=2х+2
5) -9х-9(4-х)=3х+3
6) 3х-2-3(х+5)=-(2-х)-5
7) х-1+(х+2)=-4(-5-х)-5
8) -2х+1-3(х-4)=4(3-х)+4
ПОМОГИТЕ дам еще +10 баллов
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