8[y-1]-9[y-2]=12

Simple and best practice solution for 8[y-1]-9[y-2]=12 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for 8[y-1]-9[y-2]=12 equation:


Simplifying
8[y + -1] + -9[y + -2] = 12

Reorder the terms:
8[-1 + y] + -9[y + -2] = 12
[-1 * 8 + y * 8] + -9[y + -2] = 12
[-8 + 8y] + -9[y + -2] = 12

Reorder the terms:
-8 + 8y + -9[-2 + y] = 12
-8 + 8y + [-2 * -9 + y * -9] = 12
-8 + 8y + [18 + -9y] = 12

Reorder the terms:
-8 + 18 + 8y + -9y = 12

Combine like terms: -8 + 18 = 10
10 + 8y + -9y = 12

Combine like terms: 8y + -9y = -1y
10 + -1y = 12

Solving
10 + -1y = 12

Solving for variable 'y'.

Move all terms containing y to the left, all other terms to the right.

Add '-10' to each side of the equation.
10 + -10 + -1y = 12 + -10

Combine like terms: 10 + -10 = 0
0 + -1y = 12 + -10
-1y = 12 + -10

Combine like terms: 12 + -10 = 2
-1y = 2

Divide each side by '-1'.
y = -2

Simplifying
y = -2

See similar equations:

| 7z+8-2z=23 | | 2/3-3x=1/3+2x | | x=2x+100+3x+3x-500 | | -2x+5(6x+5)=-115 | | -13+h=10 | | 6-r*6*6+r=-42 | | 3(z-2)+6=(z+4) | | 4y+2=-0.3(8-12y) | | .25(8y+4)-17=-0.5(4y-8) | | -143=7x+4(-4x-11) | | 16x=300 | | -y=4x-3 | | 12n-6=4n+18 | | -14x=-5(3x+7) | | 6x+6(-2x+2)=48 | | 4(2b-4)+1=-47 | | 2p-10-9+7p= | | 2y=x-12 | | 3x-12+2x+2=90 | | -34-8x=-6x+12 | | .66(2x-3)+4=-.5(3x-1) | | 8s-(5s+6)=0.5(20+6s) | | 2x-5(-5x+14)=227 | | y=3x^2+7x+2 | | 1-3x+1=-13 | | 13+12+3x=33 | | 9(4-w)=3(2w+2) | | 3[x-2]=4[2x-5] | | x^2+9x-74=0 | | 100=1-(11/2)n | | 3x(x-1)=4x+2 | | y=4x^2+7x+3 |

Equations solver categories