Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 1 - Section 1.7 - Properties of Real Numbers - Exercise Set: 91


Expression: 2x, Opposite: -2x

Work Step by Step

An expression's reciprocal is a number in which their product equals 1. 2x * $\frac{1}{2x}$ = 1 The opposite of a number is one in which their sum equals 0. 2x + (-2x) = 0
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