-12=-3a-a

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


Simplifying
-12 = -3a + -1a

Combine like terms: -3a + -1a = -4a
-12 = -4a

Solving
-12 = -4a

Solving for variable 'a'.

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

Add '4a' to each side of the equation.
-12 + 4a = -4a + 4a

Combine like terms: -4a + 4a = 0
-12 + 4a = 0

Add '12' to each side of the equation.
-12 + 12 + 4a = 0 + 12

Combine like terms: -12 + 12 = 0
0 + 4a = 0 + 12
4a = 0 + 12

Combine like terms: 0 + 12 = 12
4a = 12

Divide each side by '4'.
a = 3

Simplifying
a = 3

See similar equations:

| 1=n-3+3n | | -12=4[x-5] | | 12r+14=-40 | | -2(x+6)+6x=3(y-1)+1 | | -19-10x=3x+7 | | 2lnx-5=0 | | 12=-r-5r | | 2w+7x-15y+4w+4x+9y= | | X-39=44 | | 1÷2/3 | | 12(3x+5)-6(2x-6)=4x-44 | | 7=r+6r | | z^2+-2z+1+i=0 | | -11=1-3n+5n | | 3-5x=x+15 | | 13-2q=9-2q+4 | | 12(3x+5)-6(2x-5)=4x-44 | | 300/225 | | 5(-2z-3)=-10z-15 | | X+2+5x=-16 | | 7x-3forx-3= | | 3[x+1]=-30 | | x^2+4x+3+mx+3m=0 | | y-20-20=5y+20 | | -9=5-2v-5v | | 8/1×16/1 | | 15g-15-7=1+15g | | -(7-3y)=8-8(2-y) | | 7=3+m+m | | 32x+2= | | 5-6s=-16s+12+10s | | 4=5p-6+5 |

Equations solver categories