8y-9=15y+12

Simple and best practice solution for 8y-9=15y+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 8y-9=15y+12 equation:


Simplifying
8y + -9 = 15y + 12

Reorder the terms:
-9 + 8y = 15y + 12

Reorder the terms:
-9 + 8y = 12 + 15y

Solving
-9 + 8y = 12 + 15y

Solving for variable 'y'.

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

Add '-15y' to each side of the equation.
-9 + 8y + -15y = 12 + 15y + -15y

Combine like terms: 8y + -15y = -7y
-9 + -7y = 12 + 15y + -15y

Combine like terms: 15y + -15y = 0
-9 + -7y = 12 + 0
-9 + -7y = 12

Add '9' to each side of the equation.
-9 + 9 + -7y = 12 + 9

Combine like terms: -9 + 9 = 0
0 + -7y = 12 + 9
-7y = 12 + 9

Combine like terms: 12 + 9 = 21
-7y = 21

Divide each side by '-7'.
y = -3

Simplifying
y = -3

See similar equations:

| 5x-2=4-3x | | 5x-1=5(x+7) | | 35(x+12)=2170 | | 8+5(2-x)= | | 4x-1=31shortway | | -7(3p+4)-2=3(2p+8) | | -108/18=-6 | | 2x+3(15-x)=25 | | p^2-16p=84 | | (9x^2+16x+7)= | | 0.9(2x-8)=4-(x+5) | | ln(x+3)=ln(x)+ln(x-1) | | 7x+8=4(x-2) | | 3/2(2x+5)=-15/2 | | 1.7t+8-1.62t=.4t-.32+8 | | 27x^2+48x+21= | | 6x^2y^2-2xy^2-60y^2=0 | | 1.7+8-1.62t=.4t-.32+8 | | 100[0.04(m+10)]= | | 8s^2-30s+18=0 | | 5x-2=3x+30 | | -20x+99+x^2=0 | | -2/8 | | -6x+7x^2-13=0 | | -3(4s-1)-3=-2(8s+3)-3 | | 4+x=-9+7 | | 4(2x-4)-6=8x-22 | | (x-14/x+1)-(x/x-1)=0 | | 6+2p-3=7p+8-4p | | 7x^2-14x-56= | | 1-(64/x^2)=0 | | z^2-32=14z |

Equations solver categories