-12=-9+3a

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


Simplifying
-12 = -9 + 3a

Solving
-12 = -9 + 3a

Solving for variable 'a'.

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

Add '-3a' to each side of the equation.
-12 + -3a = -9 + 3a + -3a

Combine like terms: 3a + -3a = 0
-12 + -3a = -9 + 0
-12 + -3a = -9

Add '12' to each side of the equation.
-12 + 12 + -3a = -9 + 12

Combine like terms: -12 + 12 = 0
0 + -3a = -9 + 12
-3a = -9 + 12

Combine like terms: -9 + 12 = 3
-3a = 3

Divide each side by '-3'.
a = -1

Simplifying
a = -1

See similar equations:

| z=m-x | | -6x-5=9x+8 | | 4x-1=3+5x | | x=5-4y | | (x+2)-2x=-2(x+1) | | 3x/2-5=19 | | 4y-8=2y-5 | | 2(x-1)+4=7 | | 4(a+10)=-a | | -2u+2u-6u= | | 6.7+u=-15(2)+u | | -2x+14=3x | | 3(g-13)+2(g-7)=7 | | 1/5=1/12-1/y | | -x+m=n | | .05-.02(x+3)=-.03(2-x) | | 4(2x-3)-7=2(4x+8) | | 6-2+12=3x+4 | | 3Y=14-X | | 0.5x-0.1=0.4+4 | | -5y=-4y+2 | | 60=4v-8 | | 7w+9-10w=-15+w | | 7v+49=-7(v-1) | | -3+4t=3-2t | | 3x-8x+2=18-x | | 4x-1=6x+7 | | 1.5=-(-5.6) | | 3x-(4+2x)= | | -[4z-(14z+9)]=9+(9z+10) | | x-1=5x-4 | | 9z+10-4z=1+4z+1 |

Equations solver categories