39.99-20=

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Solution for 39.99-20= equation: 


Simplifying
39.99 + -20 = 0

Combine like terms: 39.99 + -20 = 19.99
19.99 = 0

Solving
19.99 = 0

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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