7-7n+7n=15

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


Simplifying
7 + -7n + 7n = 15

Combine like terms: -7n + 7n = 0
7 + 0 = 15
7 = 15

Solving
7 = 15

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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