8-6х+5х+4х=8+3х
8+3*2=8+6=14
8-6х-(-5х+(-4х)) при х - 2
8-6х-(-5х-4х)=8-6х-(-9х)=8-6х+9х=8+3х
8+3*(-2)=8+(-6)=8-6=2
8-6х+5х+4х=8+3х
8+3*2=8+6=14
8-6х-(-5х+(-4х)) при х - 2
8-6х-(-5х-4х)=8-6х-(-9х)=8-6х+9х=8+3х
8+3*(-2)=8+(-6)=8-6=2