n+18=31

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Solution for n+18=31 equation: 


Simplifying
n + 18 = 31

Reorder the terms:
18 + n = 31

Solving
18 + n = 31

Solving for variable 'n'.

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

Add '-18' to each side of the equation.
18 + -18 + n = 31 + -18

Combine like terms: 18 + -18 = 0
0 + n = 31 + -18
n = 31 + -18

Combine like terms: 31 + -18 = 13
n = 13

Simplifying
n = 13

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