5=7-n+n

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Solution for 5=7-n+n equation: 


Simplifying
5 = 7 + -1n + n

Combine like terms: -1n + n = 0
5 = 7 + 0
5 = 7

Solving
5 = 7

Couldn't find a variable to solve for.

This equation is invalid, the left and right sides are not equal, therefore there is no solution.

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