Intermediate Algebra (6th Edition)

Published by Pearson
ISBN 10: 0321785045
ISBN 13: 978-0-32178-504-6

Chapter 3 - Cumulative Review: 4a



Work Step by Step

The opposite of a number $x$ is the number that is equal in distance from 0 on the number line as x is. For nonzero numbers, the opposite of a number x is simply -x. $x=-7$ $-x=-(-7)=7$
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