31=2n+9

Simple and best practice solution for 31=2n+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 31=2n+9 equation:


Simplifying
31 = 2n + 9

Reorder the terms:
31 = 9 + 2n

Solving
31 = 9 + 2n

Solving for variable 'n'.

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

Add '-2n' to each side of the equation.
31 + -2n = 9 + 2n + -2n

Combine like terms: 2n + -2n = 0
31 + -2n = 9 + 0
31 + -2n = 9

Add '-31' to each side of the equation.
31 + -31 + -2n = 9 + -31

Combine like terms: 31 + -31 = 0
0 + -2n = 9 + -31
-2n = 9 + -31

Combine like terms: 9 + -31 = -22
-2n = -22

Divide each side by '-2'.
n = 11

Simplifying
n = 11

See similar equations:

| -8x-27=48-5x | | 7d+5-4d= | | 11x-5=7-x | | -6-13=9x+17-8x | | x-45=-31 | | (7-x)18*0.5=144 | | x^2+15x+54=12 | | -9n+-6n-9n-7n+-7n+-6n= | | 11x+16=5y-11 | | -1.5+6= | | -12=-4+4v | | 2x^4-22x^2+20=0 | | 2r-4=-4r+3 | | .6*p=p-32 | | (-y-7)-(-3y+5)= | | -2-5=-13 | | 52=-4n+5 | | 2r-4=-4+3 | | ln(x^2-5)=0 | | -4=2y-6 | | 5(n+3)+5=-21 | | (7-x)18*.5=144 | | 12x+28x+8x+8+88=180 | | 2(8b-5)=-123 | | x*3=20+(1.75*x) | | 2x+3-(-4x+5)=5x-2x+7 | | 8=3x+5+2x | | 3d-5=47 | | n(.26)=169.39 | | 2(2x+11)+2x=118 | | 21+70n=77 | | 0.89x+0.93(20-x)=18.2 |

Equations solver categories