– 2(2,7х – 1) – (6 – 3,4х)+8(0,4х – 2)=-5,4х+2-6+3,4х+3,2х-16=-20+1,2х=4(-5+0,3х)=4(-5-0,25)=-21
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– 2(2,7х – 1) – (6 – 3,4х)+8(0,4х – 2)=-5,4х+2-6+3,4х+3,2х-16=-20+1,2х=4(-5+0,3х)=4(-5-0,25)=-21