12.5-8.5=-20

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Solution for 12.5-8.5=-20 equation: 


Simplifying
12.5 + -8.5 = -20

Combine like terms: 12.5 + -8.5 = 4
4 = -20

Solving
4 = -20

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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