-3+-18=9

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Solution for -3+-18=9 equation: 


Simplifying
-3 + -18 = 9

Combine like terms: -3 + -18 = -21
-21 = 9

Solving
-21 = 9

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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