3y-12=21

Simple and best practice solution for 3y-12=21 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 3y-12=21 equation: 


Simplifying
3y + -12 = 21

Reorder the terms:
-12 + 3y = 21

Solving
-12 + 3y = 21

Solving for variable 'y'.

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

Add '12' to each side of the equation.
-12 + 12 + 3y = 21 + 12

Combine like terms: -12 + 12 = 0
0 + 3y = 21 + 12
3y = 21 + 12

Combine like terms: 21 + 12 = 33
3y = 33

Divide each side by '3'.
y = 11

Simplifying
y = 11

See similar equations:

| 4x-7=8x+21 | | 7m-2n=2 | | 1x+3x-(7x+10)= | | (x-4)-(4x+4)= | | 32x+16=-43 | | (x-4)+(4x+4)= | | -3(2s-4)-12=-3(8s+6)-4 | | y+y*0.1+y*0.07=117 | | 3(-1)+2(3)=6 | | 2x+36=9x+153 | | -2x+8y=-20 | | v+v-31.8+v+26.4=198.0 | | 2a^2+9a+4=0 | | -x+6y=120 | | 3(2x-2)-4(x+6)=3x+8+x | | 25x^2-90x+81=0 | | 3-3y-6-3(1-2y)=18 | | x-x+11=1 | | 2x+9-8=x | | 2x+9-8=8 | | -7.3x=146.0 | | 2x+15-6=x | | 3.7x=29.6 | | 6x+4=12x | | 3x+10=x+4 | | -2y^2+25y+13=0 | | 6x+1=x-1 | | x+3=x-3 | | 20-8x=x | | 3f-2g=5+h | | 2m^2+18m+15=0 | | 2m^2-18m+15=0 |

Equations solver categories