1)4+(2х-(4х-1))+х=-5-х 2)-х-(2х-(3х-1))+4=-3+4х
3)8(2х-1)-5(3х+6,8)=х-4
4)1,2(3-х)-6,3(4х+1)=6,1-0,8(3х-4)


решите как можно быстрее Пожалуйста
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