Плиз решите 10(y-2)-12=14(y-2) -25(-8x+6)=-705 -10(-4y+10)=-300-10x+128 = 74x  3(5y-6)=16y-8-5(3x+1)-11=-1-8y+4=-2(5y+6)20+30x=20+x26-5y=2-9y 

10(y-2)-12=14(y-2) 14(y-2)-10(y-2)=-12 4(y-2)=-12 (y-2)=-12/4 y-2=-3 y=-3+2 y=-1 -25(-8x+6)=-705 -8x+6=-705/(-25) -8x+6=28,2 -8x=28,2-6 -8x=4,7 x=4,7/(-8) x=-0,5875 -10(-4y+10)=-300 -4y+10=-300/(-10) -4y+10=30 -4y=30-10 -4y=20 y=20/(-4) y=-5 -10x+128=74x 74x+10x=128 84x=128 x=128/84 x=32/21 3(5y-6)=16y-8 15y-18=16y-8 16y-15y=-18+8 y=-10 -5(3x+1)-11=-1 -5(3x+1)=-1+11 -5(3x+1)=10 3x+1=-2 3x=-2-1 3x=-3 x=-3/3 x=-1 -8y+4=-2(5y+6) -8y+4=-10y-12 -8y+10y=-12-4 2y=-16 y=-16/2 y=-8 20+30x=20+x 30x-x=20-20 29x=0 x=0 26-5y=2-9y  9y-5y=2-26 4y=-24 y=-24/4 y=-6

10(y-2)-12=14(y-2) 14(y-2)-10(y-2)=-12 4(y-2)=-12 (y-2)=-12/4 y-2=-3 y=-3+2 y=-1; -25(-8x+6)=-705 -8x+6=-705/(-25) -8x+6=28,2 -8x=28,2-6 -8x=4,7 x=4,7/(-8) x=-0,5875; -10(-4y+10)=-300 -4y+10=-300/(-10) -4y+10=30 -4y=30-10 -4y=20 y=20/(-4) y=-5; -10x+128=74x 74x+10x=128 84x=128 x=128/84 x=32/21; 3(5y-6)=16y-8 15y-18=16y-8 16y-15y=-18+8 y=-10; -5(3x+1)-11=-1 -5(3x+1)=-1+11 -5(3x+1)=10 3x+1=-2 3x=-2-1 3x=-3 x=-3/3 x=-1; -8y+4=-2(5y+6) -8y+4=-10y-12 -8y+10y=-12-4 2y=-16 y=-16/2 y=-8; 20+30x=20+x 30x-x=20-20 29x=0 x=0; 26-5y=2-9y  9y-5y=2-26 4y=-24 y=-24/4 y=-6;