#### 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.

Published by
Pearson

ISBN 10:
013421742X

ISBN 13:
978-0-13421-742-0

Identity Property of Addition

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