3(x-2)=2 5(z+3)=10 3(2x-7)=9 2(2-y)=y-5 -(4x-2)= -5 -(3x-4)=3x-8
3(x-2)=2 3х-6=2 3х=8 х=8/3=2 2/3 5(z+3)=10 5z+15=10 5z=-5 z=-1 3(2x-7)=9 6x-21=9 6x=21+9 6x=30 x=30|6 x=5 2(2-y)=y-5 4-2y=y-5 3y=9 y=9/3 у=3 -(4x-2)= -5 -4х+2=-5 4х=7 х=7/4 х=1 3/4 -(3x-4)=3x-8 -3х+4=3х-8 6х=12 х=12/6 х=2