3(a-4)=12

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


Simplifying
3(a + -4) = 12

Reorder the terms:
3(-4 + a) = 12
(-4 * 3 + a * 3) = 12
(-12 + 3a) = 12

Solving
-12 + 3a = 12

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 = 12 + 12

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

Combine like terms: 12 + 12 = 24
3a = 24

Divide each side by '3'.
a = 8

Simplifying
a = 8

See similar equations:

| 8x-(5x-5)=17 | | Y=960+0.8Y | | -4=-2x-4 | | n^2+3n-18=n | | 135=6x-26 | | .50+2y=3y-.25 | | 24x-40xy=x | | 24x-40xy=y | | 9x+3=12x^2+4x | | 2(2*-1+1)+-x=-x+(2*-1)+18 | | D(t)=16t^2-4t+1482 | | 18x+24y=y | | 9k-[4k+(-3+4k)]= | | 18x+24y=x | | 2ln(x-3)=ln(x+5)+ln(x+3) | | 8k-2d=16 | | 1x+90+(2x+21)=180 | | x-5*2=-11 | | x-5*2=11 | | 810=61+b | | 2+x=6-3x | | 3x-6=7+2x | | 2(2*-x)+10=3(-x)+13 | | 6+5x=9-3x | | 2(2x-x+1)+1=-x+2x-x+18 | | 0.40x+0.25(60)=0.20(133) | | 3t^2-36t-105=0 | | 6.5x-4.32=5.2-5.4x | | 3t^2-81t-24=0 | | 33+x=88 | | .6x-.4=2 | | 6y-7=41+6y |

Equations solver categories