2-9+9=

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Solution for 2-9+9= equation: 


Simplifying
2 + -9 + 9 = 0

Combine like terms: 2 + -9 = -7
-7 + 9 = 0

Combine like terms: -7 + 9 = 2
2 = 0

Solving
2 = 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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