РЕШИТЬ УРАВНЕНИЕ
1) (7-10Х)-(8-8Х)+(10Х+6)=-8
2)(2Х+3)+(3Х+4)+(5Х+5)= 12- 7Х
3) (3Х+5)*(4Х-1)= (6Х-3)*(2Х+7)

(7-10х)-(8-8х)+(10х+6)=-87-10х-8+8х+10х+6=-88х+5=-88х=-8-58х=-13х=(-13):8х=-1 целая 5/8(2х+3)+(3х+4)+(5х+5)=12-7х2х+3+3х+4+5х+5=12-7х10х+12=12-7х10х+7х=12-1217х=0х=0:17х=0(3х+5)*(4х-1)=(6х-3)*(2х+7)12х²+20х-3х-5=12х²-6х+42х-2112х²-12х²+17х-36х=-21+5-19х=-16х=(-16):(-19)х=16/19