4x+3=2x 6-5x=-2x+9 2(x+1)=3 9-2(3-4x)=-2x+1
4х-2=-3 2х=-3 х=-3:2 х=-1,5. ______ -5х+2х=9-6 -3х=3 х=3:(-3) х=-1 _________ 2х+2=3 2х=3-2 2х=1 х=1:2 х=1,5 ________ 9-6+8х=-2х+1 8х+2х=1-9+6 10х=-2 х=-2:10 х=-0,2