7n-31=4n+5

Simple and best practice solution for 7n-31=4n+5 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 7n-31=4n+5 equation:


Simplifying
7n + -31 = 4n + 5

Reorder the terms:
-31 + 7n = 4n + 5

Reorder the terms:
-31 + 7n = 5 + 4n

Solving
-31 + 7n = 5 + 4n

Solving for variable 'n'.

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

Add '-4n' to each side of the equation.
-31 + 7n + -4n = 5 + 4n + -4n

Combine like terms: 7n + -4n = 3n
-31 + 3n = 5 + 4n + -4n

Combine like terms: 4n + -4n = 0
-31 + 3n = 5 + 0
-31 + 3n = 5

Add '31' to each side of the equation.
-31 + 31 + 3n = 5 + 31

Combine like terms: -31 + 31 = 0
0 + 3n = 5 + 31
3n = 5 + 31

Combine like terms: 5 + 31 = 36
3n = 36

Divide each side by '3'.
n = 12

Simplifying
n = 12

See similar equations:

| 8x-7=3x+3 | | 3x+1=x-2+x | | 4*(3x+5)-8x=44 | | (2h-6/6)=(2/3) | | 50x+100(98-x)=7800 | | (n-3)*10=90 | | (12/48)=(g/20) | | P=8x+2y | | x/(60-x)=2,3 | | (n-3)*4=40 | | 8-a=-3(2-6) | | 5.4=y/1.5+2.3 | | 2*(3x-3)+4=16 | | (2/1.2)=(5/k) | | x^2+3x+6=-x+4 | | x/(60-x)=2,6 | | 5-3(x+2)=8 | | -4(x-1)=12 | | 5x^2-4x-2=4x^2+3x+6 | | d/2=8 | | 3x+2y=273 | | 4.5(x-4)=-0.5+12 | | -28=4y | | 6x=600 | | Y=20x-10 | | 3/4w+6=9-1/4w | | -4x+3y=10 | | 3x^3=4x^2+4x | | 5x-2y=2y-3x | | 12x-5y=37 | | m-1.5=4 | | -4=d+3/5 |

Equations solver categories