3a+12-6a=-9

Simple and best practice solution for 3a+12-6a=-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 3a+12-6a=-9 equation:


Simplifying
3a + 12 + -6a = -9

Reorder the terms:
12 + 3a + -6a = -9

Combine like terms: 3a + -6a = -3a
12 + -3a = -9

Solving
12 + -3a = -9

Solving for variable 'a'.

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

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 = -21
-3a = -21

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

Simplifying
a = 7

See similar equations:

| (3k+2)2=16 | | 3+5m-2m=18 | | 3x+x=12 | | 7z=63 | | x^2-4x=7 | | 3(k-6)=15 | | 6+6x=9x-12 | | 4.5z-2.5z=2.02 | | 2(x+3)=x+14 | | 5(7x-8)=380 | | 3n-15= | | 3x-22=11 | | -3n+20=-11n+38 | | 2(3x-5)-x=10+3(4x-6) | | -16x=4 | | 5-6n=-11+2n | | 5x-14=5(x-6) | | 10(9x-15)=480 | | x=22-16x | | h^2+14h+3=15 | | (5x+38)+(2x+2)=180 | | 5x-3x+x+7=2x+1+x+x | | 39=3(p-4) | | 7x-2=24-9x | | 4x-11=33 | | 5y+10=5(2+ay) | | x^2-30x+81=0 | | 9d-14=14d+7 | | -3(2y-8)=36 | | 16-7d=3d+2 | | 4x=-1 | | -8=z+3z |

Equations solver categories