13+n=31

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Solution for 13+n=31 equation: 


Simplifying
13 + n = 31

Solving
13 + n = 31

Solving for variable 'n'.

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

Add '-13' to each side of the equation.
13 + -13 + n = 31 + -13

Combine like terms: 13 + -13 = 0
0 + n = 31 + -13
n = 31 + -13

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

Simplifying
n = 18

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