3(a+12)=18

Simple and best practice solution for 3(a+12)=18 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+12)=18 equation: 


Simplifying
3(a + 12) = 18

Reorder the terms:
3(12 + a) = 18
(12 * 3 + a * 3) = 18
(36 + 3a) = 18

Solving
36 + 3a = 18

Solving for variable 'a'.

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

Add '-36' to each side of the equation.
36 + -36 + 3a = 18 + -36

Combine like terms: 36 + -36 = 0
0 + 3a = 18 + -36
3a = 18 + -36

Combine like terms: 18 + -36 = -18
3a = -18

Divide each side by '3'.
a = -6

Simplifying
a = -6

See similar equations:

| 3x+1+3x=36 | | -4y-4(3y+9)=-8+9(-7-y) | | 8(4-(5+6r))-8r=-11+2(4-12r) | | -10n+19=-9n-6 | | 9=81 | | 6y-6=3y+6 | | -6y-8(8y+9)=-6+3(4-y) | | 30=9+x | | 9+2x+23+x+18=x+20 | | 8(4-(5+6r))-8r-11+2(4-12r)= | | 8+6y-3=9y+29-7y | | 39-19=5(x-2) | | 6x=3(18+6) | | 2xy^2-y^2-(1+3y)=x | | -8+5+n-7=72 | | X+20+4x=4x-50 | | 5(y+2)+7-3y=2(y+9) | | 4c+8=12y-9 | | 4(5a+6)+6(2+2a)=-2-3a+a+4 | | -16t^2+16t=80 | | 4/5p=-16/7 | | 18q-2q^2-18=0 | | 10x^2-29x-25=0 | | 2*x+3=9 | | 5*x+4=10 | | 9*x-5=9 | | Log(4)x^5=20 | | 2x-3+x-2=11 | | 169+(87+x)=303 | | 3-4x=2x-3 | | 8a-9=2b+18 | | 8a+9=5y-2 |

Equations solver categories