-9a+7+9a=

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


Simplifying
-9a + 7 + 9a = 0

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

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

Solving
7 = 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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