18+n=72

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Solution for 18+n=72 equation: 


Simplifying
18 + n = 72

Solving
18 + n = 72

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 = 72 + -18

Combine like terms: 18 + -18 = 0
0 + n = 72 + -18
n = 72 + -18

Combine like terms: 72 + -18 = 54
n = 54

Simplifying
n = 54

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