-3=42-15

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Solution for -3=42-15 equation: 


Simplifying
-3 = 42 + -15

Combine like terms: 42 + -15 = 27
-3 = 27

Solving
-3 = 27

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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