-3.9+7.2=

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Solution for -3.9+7.2= equation: 


Simplifying
-3.9 + 7.2 = 0

Combine like terms: -3.9 + 7.2 = 3.3
3.3 = 0

Solving
3.3 = 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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