-9+8.5-12.8=

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Solution for -9+8.5-12.8= equation: 


Simplifying
-9 + 8.5 + -12.8 = 0

Combine like terms: -9 + 8.5 = -0.5
-0.5 + -12.8 = 0

Combine like terms: -0.5 + -12.8 = -13.3
-13.3 = 0

Solving
-13.3 = 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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