1) 2х-10=х+5 2)6х+12=5х-1 3)3х=х+12 4) 4х-10,5=1,5+7х 5) 3(х+1)=х-9
х=15 х=-13 2х=12 3х=-12 3х+3=х-9
х=6 х=-4 2х=-12
х=-6
6) -4х-25=1+х 7)-2(3-2х)=5(х+10) 8) 24+2(7-х)=6х-10 9)2х+4=6х-20
5х=-26 -6+4х=5х+50 24+14-2х=6х-10 4х=24
х=-5,2 х=-56 8х=48 х=6
х=6