(3n+5)-n=31

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Solution for (3n+5)-n=31 equation:


Simplifying
(3n + 5) + -1n = 31

Reorder the terms:
(5 + 3n) + -1n = 31

Remove parenthesis around (5 + 3n)
5 + 3n + -1n = 31

Combine like terms: 3n + -1n = 2n
5 + 2n = 31

Solving
5 + 2n = 31

Solving for variable 'n'.

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

Add '-5' to each side of the equation.
5 + -5 + 2n = 31 + -5

Combine like terms: 5 + -5 = 0
0 + 2n = 31 + -5
2n = 31 + -5

Combine like terms: 31 + -5 = 26
2n = 26

Divide each side by '2'.
n = 13

Simplifying
n = 13

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