3a+12=39

Simple and best practice solution for 3a+12=39 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=39 equation: 


Simplifying
3a + 12 = 39

Reorder the terms:
12 + 3a = 39

Solving
12 + 3a = 39

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 = 39 + -12

Combine like terms: 12 + -12 = 0
0 + 3a = 39 + -12
3a = 39 + -12

Combine like terms: 39 + -12 = 27
3a = 27

Divide each side by '3'.
a = 9

Simplifying
a = 9

See similar equations:

| -2x-3=51 | | -2b-6=-34 | | Log(2)(x+4)=3 | | 4x^2-2x-5= | | 264a+26= | | 8-(4+7)=5(x+6)-2 | | 6x+7+4(x+3)+3= | | 7x-1=8x-8 | | 125-3x=y | | -9v+9=144 | | 7-3c=10 | | -4g+6=74 | | 30b=9 | | 11x+9-8x-4= | | 3.8n-13= | | -4-1/9-5 | | -5w-8=17 | | X^2-4x-8= | | 4x+3=n | | 15a=20 | | 12x-144= | | -x-10=-12(x+20) | | 3a+2+2a=34 | | -x=-12(x+20) | | 5y-6x+7=0 | | 12/6=4/x | | 5m+26=-4 | | 6u+x+6y=40 | | x=12y+16 | | .00771t^2+.0004t+.0000028=1200 | | 3x-2(x-4x)= | | 8-6+-40-3= |

Equations solver categories