-2a+2a-9=

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Solution for -2a+2a-9= equation: 


Simplifying
-2a + 2a + -9 = 0

Reorder the terms:
-9 + -2a + 2a = 0

Combine like terms: -2a + 2a = 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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