3(2Х+3)-5(7-4х)-2(5х+4)=-2
6х+9-35+20х-10х-8=-2 6х+20х-10х = -2 -9 +35 +8 16 х = 32 х= 32 : 16 х= 2
3(2Х+3)-5(7-4х)-2(5х+4)=-2 6х+9-35+20х-10х-8=-2 16х-34=-2 16х=32 х=2