(3х-2):3 -(2х+1):6=х-1
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2(3х-2)-(2х+1)=6(х-1) 6х-4-2х-1=6х-6 6х-6х-2х=4+1-6 -2х=-1 (* -1) 2х=1 х=1/2 х=0,5