Name the property the equation illustrates?

Question

8.2+(-8.2)=0

Answer 1

Additive inverse.  You add two same numbers having opposite signs to give you a result of zero.

Answer 2

Michael J answered: Additive inverse. You add two same numbers having opposite signs to give you a result of zero.

 

I edit this as follows: 

Additive inverse. You add two OPPOSITE numbers having THE SAME ABSOLUTE VALUE to give you a result of zero.