81.9+-81.9=

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Solution for 81.9+-81.9= equation: 


Simplifying
81.9 + -81.9 = 0

Combine like terms: 81.9 + -81.9 = 0.0
0.0 = 0

Solving
0.0 = 0

Couldn't find a variable to solve for.

This equation is an identity, all real numbers are solutions.

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