Question

What property is demonstrated below:9 + -9 = 0

Answer 1

The inverse property of addition.

Step-by-step explanation

The inverse property of addition states that adding a number and it's opposite, called the additive inverse, will produce a sum of zero.

Additive inverse of any number is simply multiplying the number by -1.

So, 9 + -9 = 0 indicates the inverse property of addition.

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