12-4a=a-3

Simple and best practice solution for 12-4a=a-3 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 12-4a=a-3 equation:


Simplifying
12 + -4a = a + -3

Reorder the terms:
12 + -4a = -3 + a

Solving
12 + -4a = -3 + a

Solving for variable 'a'.

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

Add '-1a' to each side of the equation.
12 + -4a + -1a = -3 + a + -1a

Combine like terms: -4a + -1a = -5a
12 + -5a = -3 + a + -1a

Combine like terms: a + -1a = 0
12 + -5a = -3 + 0
12 + -5a = -3

Add '-12' to each side of the equation.
12 + -12 + -5a = -3 + -12

Combine like terms: 12 + -12 = 0
0 + -5a = -3 + -12
-5a = -3 + -12

Combine like terms: -3 + -12 = -15
-5a = -15

Divide each side by '-5'.
a = 3

Simplifying
a = 3

See similar equations:

| 36.7=x^2-7x | | 12.25+49=x^2 | | x^2+16x=-4 | | 4[6-2(2m+1)]-7m= | | 36.7=-x^2+7x | | Y=24.5+12.25 | | 0=-x^2+7x | | 3y+16=6y-1 | | 2x^2+10x-36=0 | | 2x^2+10-36=0 | | Y=49+49 | | 8+x/2=10 | | -98=-x^2+7x | | 98=-x^2+7x | | 98=-2x^2+7x | | Y=-2x^2+7x | | x^2-4x+2=mx-2 | | (4w-5x-3)(3w+6)= | | x+x+2+x+4=177 | | 2x+2(3x+8)=28 | | 9y+165=5y+120 | | 40x+5(1.5x)=285 | | 17-3x=31-x | | 31-x=17-3x | | 3x+5=25-2x | | x+32=x-31 | | 40x+2(1.5)=774 | | -4b=12 | | 4-3=2x+13 | | 3x^2-10x-88=0 | | c-5=4 | | c=-4 |

Equations solver categories