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+x 26-5y=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;