Question

Решите пример пж быстро

Answer 1

Ответ:

213

б) 8х-3х+х=(8-3+1)х=6х

в)х-2х+7х=(1-2+7)х=6х

г)11х+х-12х=(11+1-12)х=0

д)-5х+5х+3х=(-5+5+3)х=3х

е)-8х+8х-х=(-8+8-1)х=х

214

б)5х-4+3х=(5+3)х-4=8х-4

в)х-3+4х=(-1+4)х-3=3х-3

г)х+3-2х=(1-2)х+3=-1х+3

д)-4х+5+4х=(-4+4)х+5=5

е)-2х-6+2х=(-2+2)х-6=-6

215

б)6х-4-2(5х-11)=6х-4-10х+22=-4х+18

в)6(х-2)-(3х-12)=6х-12-3х+12=3х

г)х-4-2(3х-12)=х-4-6х+24=5х+20

д)5(3х+2)-2(6х-3)=15х+10-12х+6=3х+16

е)9(2х-20)-6(3х-30)=18х-180-18х+180=0