-3х+3=-7х 9+10(3х-10)=2 2-2(3х-4)=-2 6(-5-3х)=-9х+6 4-4х=10-9(х+2) Решите пож.

-3х+3=-7х -3х+7х= -3 4х = -3 х = -3/4 9+10(3х-10)=2 9+30х-100=2 30х = 2+100-9 30х= 93 х = 3 3/30= 3,1 х=3,1 2-2(3х-4)=-2 2-6х+8 = -2 -6х = -2-2-8 -6х= -12 х= -12/-6 = 2 х=2 6(-5-3х)=-9х+6 -30-18х+9х=6 -9х = 6+30 -9х = 36 х = -4 4-4х=10-9(х+2) 4-4х=10-9х-18 -4х+9х = -8-4 5х = -12 х = -12/5=-2 2/5 х= -2,4