n+3+2n=12

Simple and best practice solution for n+3+2n=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 n+3+2n=12 equation: 


Simplifying
n + 3 + 2n = 12

Reorder the terms:
3 + n + 2n = 12

Combine like terms: n + 2n = 3n
3 + 3n = 12

Solving
3 + 3n = 12

Solving for variable 'n'.

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

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

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

Combine like terms: 12 + -3 = 9
3n = 9

Divide each side by '3'.
n = 3

Simplifying
n = 3

See similar equations:

| 5x+2x+3=41 | | -36a(a)+18a= | | -14=-4+6p+2 | | 25-4x^2+4xy-y^2= | | 12y+6y=6(2y+1) | | x+14+4x-24=24 | | 7(f*1)=45 | | -14p=-31 | | 16x-9-135=180 | | 184=-8-6(6b-8) | | 2u-3=4(3-u)-3 | | 6=m-1(3+2m) | | -4(3h+2)+10=2(5h+1) | | 8=.4c | | 7t-2=49 | | 8x^2-9x+1= | | x-13=4x+26 | | 3.14x^2+12.56x-131.35=0 | | r+8=14-r | | 5x+22+5x-12=180 | | 16x-3=200 | | x+2(-3+17)= | | 8x^2+6x+9=1 | | 4n+1=0 | | 3(x+5)+2=0 | | -4(4p-1)-8=-84 | | 10=10k(k-9) | | 3x^2-20x+31=0 | | 5x+21=8x+9 | | p-4/7=1/4 | | 0.6g-.3=-3.3 | | 1/3(18-30x)=-44 |

Equations solver categories