12-a=4

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


Simplifying
12 + -1a = 4

Solving
12 + -1a = 4

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 + -1a = 4 + -12

Combine like terms: 12 + -12 = 0
0 + -1a = 4 + -12
-1a = 4 + -12

Combine like terms: 4 + -12 = -8
-1a = -8

Divide each side by '-1'.
a = 8

Simplifying
a = 8

See similar equations:

| 12x-6-30x-3=8x-4 | | 12x-3+3x+1=4x-28 | | -0.16x=-4 | | 1x-3+2=2x+2 | | 5(x+2x)=5(x+10) | | -5x+6x=4+5(2x+1) | | 4(2+7)-5=8z+7 | | -5(x+3)=45+5x | | 2x-1=12x-31 | | 4(x-1)+2x=8 | | 6n=5280 | | -4x+2x+10=22+2x | | 8n-(-2)=6 | | 5x+3x=16 | | x=0.5x-1 | | 3x^2-4x-8=-6 | | x=0.2x+2 | | 4-6x= | | x=2x+1 | | 2x+26=30 | | 3m+30=7m-2 | | (D^2-2D+3)y=x^2-1 | | 5*x+3*y=22 | | 3x+7=9x-4 | | -3(x+1)=45 | | 3p+12=12+5p | | -6=13 | | 6x=y+-4 | | -8=15 | | 6x=y-4 | | 2.2.2.5x=10 | | -4.4.4.9x=19.6 |

Equations solver categories