7+(3x-8) 6-(8+3x) 4x+(2-6x) 9x-(12-2) -5+(6-3x) -12x-(2-8x) -(4x-1)+(3x-1) 10+(3x-4)-(7+2x) 3(2x-5) -5(2,8x-1,2) 0,2(7-4x)-0,6(5+10x) -2(4x-7) -0,5(24x+8)

7+(3х-8)=7+3х-8=3х-1 6-(8+3х)=6-8-3х=-2-3х 4х+(2+6х)=4х+2-6х=2-2х 9х-(12-2)=9х-12+2=9х-10 -5+(6+3х)=-5+6-3х=1-3х -12х-(2-8х)=-12х-2+8х=-4х-2 -(4х-1)+(3х-1)=-4х+1+3х-1=-х 10+(3х-4)-(7+2х)=10+3х-4-7-2х=х-1 3(2х-5)=6х-15 -5(2,8х-1,2)=-14х+6 0,2(7-4х)-0,6(5+10х)=1,4-0,8х-3-6х=-6,8х-1,6 -2(4х-7)=-8х+14 -0,5(24х+8)=-12х-4