-7u+9+7u=

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Solution for -7u+9+7u= equation: 


Simplifying
-7u + 9 + 7u = 0

Reorder the terms:
9 + -7u + 7u = 0

Combine like terms: -7u + 7u = 0
9 + 0 = 0
9 = 0

Solving
9 = 0

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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