18+-13+n=9

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Solution for 18+-13+n=9 equation: 


Simplifying
18 + -13 + n = 9

Combine like terms: 18 + -13 = 5
5 + n = 9

Solving
5 + n = 9

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 + n = 9 + -5

Combine like terms: 5 + -5 = 0
0 + n = 9 + -5
n = 9 + -5

Combine like terms: 9 + -5 = 4
n = 4

Simplifying
n = 4

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