## Elementary Algebra

Published by Cengage Learning

# Chapter 1 - Some Basic Concepts of Arithmetic and Algebra - 1.5 - Use of Properties - Problem Set 1.5: 9

#### Answer

Identity Property of Addition

#### Work Step by Step

RECALL: The identity property of addition states that for any real number $a$: $a+0=a$ The given statement is justified by the identity property of addition.

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