-12-3+9=

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Solution for -12-3+9= equation: 


Simplifying
-12 + -3 + 9 = 0

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

Combine like terms: -15 + 9 = -6
-6 = 0

Solving
-6 = 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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