.5-3=12

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Solution for .5-3=12 equation: 


Simplifying
0.5 + -3 = 12

Combine like terms: 0.5 + -3 = -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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