-3+.5=12

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Solution for -3+.5=12 equation: 


Simplifying
-3 + 0.5 = 12

Combine like terms: -3 + 0.5 = -2.5
-2.5 = 12

Solving
-2.5 = 12

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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