-3-9+15=

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Solution for -3-9+15= equation: 


Simplifying
-3 + -9 + 15 = 0

Combine like terms: -3 + -9 = -12
-12 + 15 = 0

Combine like terms: -12 + 15 = 3
3 = 0

Solving
3 = 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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