12=-3a+9

Simple and best practice solution for 12=-3a+9 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 12=-3a+9 equation: 



12=-3a+9

We move all terms to the left:

12-(-3a+9)=0

We get rid of parentheses

3a-9+12=0

We add all the numbers together, and all the variables

3a+3=0

We move all terms containing a to the left, all other terms to the right

3a=-3

a=-3/3

a=-1

See similar equations:

| 0,3a=52 | | 63=-3d=9 | | b+(3b+10)+(3b-10)2b=360 | | 20+w=0 | | z+8/6=18 | | -6=11-g | | 47+-8x=111 | | 25/x-2=5 | | 4v-1=15 | | 17+4w=-9 | | 4x+7x-5=16 | | 6x-12=x+38 | | -4=6-5b | | (x+4)²+(x-6)²=4(17-x+x²/4) | | -13-7n=-6-9{n+3} | | -8=6n+4 | | 2y-11=20 | | 5t-7=t+9 | | 5z+4=3z—6 | | 4.9x^2+25x-42=0 | | 5x+27=117 | | 54−10x=20+7x | | 3-5(x+1)=2x-8 | | 2x+7+5x=7 | | 0.5=x-3 | | 35=5r-10 | | 34m=9 | | 3s−−36=−12 | | x/16=5/12 | | n-29-22=-49 | | w/8+1=-5 | | x/13=14 |

Equations solver categories