5n-n=15+7

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Solution for 5n-n=15+7 equation: 


Simplifying
5n + -1n = 15 + 7

Combine like terms: 5n + -1n = 4n
4n = 15 + 7

Combine like terms: 15 + 7 = 22
4n = 22

Solving
4n = 22

Solving for variable 'n'.

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

Divide each side by '4'.
n = 5.5

Simplifying
n = 5.5

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