2x+2=-3 -x-2+3(x-3)=3(4-x) -3
1)2х+2=-3 2х=-5 х= -5: 2 х= - 2.5 2) -х-2+3(х-3)=3(4-х)-3 -х-2+3х-9=12-3х-3 5х=20 х=4