College Algebra (6th Edition)

Published by Pearson
ISBN 10: 0-32178-228-3
ISBN 13: 978-0-32178-228-1

Chapter P - Prerequisites: Fundamental Concepts of Algebra - Concept and Vocabulary Check - Page 16: 19

Answer

$a$

Work Step by Step

$-(-a)=a$ This is one of the properties of negatives mentioned at the bottom of page 14.
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