-10-2(2х-7) -2(4+3х)+8х 28х-5(6х-0.2) 4х+(8-6х) -13х-(4-9х) 2(6+7х)-(12х+11) помогите срочно
-10-2(2х-7)=-10-4x+14=4-4x. -2(4+3х)+8х=-8-6x. 28х-5(6х-0.2)=28x-30x+1=-2x+1. 4х+(8-6х)=4x+8-6x=-2x+8. -13х-(4-9х)=-13x-4-9x=-22-4. 2(6+7х)-(12х+11)=12+14x-12x+11=23+2x.