3n=n+9

Simple and best practice solution for 3n=n+9 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 3n=n+9 equation: 


Simplifying
3n = n + 9

Reorder the terms:
3n = 9 + n

Solving
3n = 9 + n

Solving for variable 'n'.

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

Add '-1n' to each side of the equation.
3n + -1n = 9 + n + -1n

Combine like terms: 3n + -1n = 2n
2n = 9 + n + -1n

Combine like terms: n + -1n = 0
2n = 9 + 0
2n = 9

Divide each side by '2'.
n = 4.5

Simplifying
n = 4.5

See similar equations:

| 10k-6=9k+2k | | 4.78d+0d= | | 4x^2-8=3 | | 4x^2-2x+10=3x^2+4x+18 | | 11n-4=-15 | | -5r+9=29 | | 0.44(y-200)+0.02=0.12y+0.07(200) | | .3s+.6=1.5 | | 29.50=1.50x-7 | | 5x^2-20x-31=0 | | -y^2*dx+(x^2+x*y^2)*dy=0 | | 186=-6(6n-7) | | 12x^2-13x-13=0 | | -17=64-9x | | 4(3k-6)=6(2k-4) | | 3r=138 | | a-2+4b-3-5a+b= | | 40T+60(3-T)=160 | | -3m-4m=-14 | | x^2+6x+94=0 | | 4y-9=17 | | 7+.5x=19 | | 10+3b=2b+3 | | 40-T+60(3-T)=160 | | x-8y=-17 | | 9xy+5yz-4xz-9xy= | | -4x-15=-63 | | 5x+2+12x+7=26 | | 12x-6=6x+6 | | w^3=9w | | -18x+6y=-6 | | 3+2*3+5= |

Equations solver categories