20-0.5=12.5

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Solution for 20-0.5=12.5 equation: 


Simplifying
20 + -0.5 = 12.5

Combine like terms: 20 + -0.5 = 19.5
19.5 = 12.5

Solving
19.5 = 12.5

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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