12+7a-a=

Simple and best practice solution for 12+7a-a= 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+7a-a= equation:


Simplifying
12 + 7a + -1a = 0

Combine like terms: 7a + -1a = 6a
12 + 6a = 0

Solving
12 + 6a = 0

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 + 6a = 0 + -12

Combine like terms: 12 + -12 = 0
0 + 6a = 0 + -12
6a = 0 + -12

Combine like terms: 0 + -12 = -12
6a = -12

Divide each side by '6'.
a = -2

Simplifying
a = -2

See similar equations:

| 19=9,5x/3 | | 3x+9=5-3x | | -3x(x+1)+4x=14 | | x^2-10x-11=-4x+5 | | 154+x+x=180 | | 8x/7-x=x/35-2/5 | | 99-9k=3(3k-9) | | 3z-7z=-3z-8+6z | | 3x+x+x+56+155=360 | | 222=-5(8a+3) | | 28x+4y-28=0 | | -5x-12-2x+9= | | Logb^36=2 | | 6x+106=360 | | -4n+18-5n+7=n-40 | | 5b^3+34b^2+7b=0 | | 3(Y-4)=4(x-3) | | 4x+106=360 | | 5000x=2000 | | 5x+106=360 | | 20t-2t=3t | | 4w+10=-6 | | 155+5x+56=360 | | X-4x-15+11x+37=270 | | -6(x+2)+4x+7=7x+6 | | 5-3m-3=11 | | -14c+8c= | | 8x-3(9-2x)=x+22 | | 4t-t-8=2+7 | | -3Q+2(4Q-5)=18-2Q-8 | | 2/5r6 | | 7*y-2=26 |

Equations solver categories