5n-n+2n=72

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Solution for 5n-n+2n=72 equation: 


Simplifying
5n + -1n + 2n = 72

Combine like terms: 5n + -1n = 4n
4n + 2n = 72

Combine like terms: 4n + 2n = 6n
6n = 72

Solving
6n = 72

Solving for variable 'n'.

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

Divide each side by '6'.
n = 12

Simplifying
n = 12

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