Precalculus (6th Edition) Blitzer

Published by Pearson
ISBN 10: 0-13446-914-3
ISBN 13: 978-0-13446-914-0

Chapter P - Section P.1 - Algebraic Expressions, Mathematical Models, and Real Numbers - Concept and Vocabulary Check - Page 16: 19

Answer

$a$

Work Step by Step

When you take the negative of a negative number, you get the positive of that number.
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