-12.9+20.4=

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Solution for -12.9+20.4= equation: 


Simplifying
-12.9 + 20.4 = 0

Combine like terms: -12.9 + 20.4 = 7.5
7.5 = 0

Solving
7.5 = 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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