## Precalculus (6th Edition)

Published by Pearson

# Chapter R - Review of Basic Concepts - Chapter R Test Prep - Review Exercises - Page 82: 39

#### Answer

Identity Property of Addition

#### Work Step by Step

RECALL: The Identity Property of Addition states that for any real number $a$, $a + 0 = a$. With $a=9+p$, the given expression illustrates the Identity Property of Addition.

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