Prealgebra (7th Edition)

Published by Pearson
ISBN 10: 0321955048
ISBN 13: 978-0-32195-504-3

Chapter 3 - Section 3.1 - Simplifying Algebraic Expressions - Exercise Set: 93

Answer

$0$

Work Step by Step

$-4+4=4+(-4)=4-4=0$
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