Prealgebra (7th Edition)

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

Chapter 2 - Section 2.4 - Integrated Review - Integers: 39

Answer

$x-(-18)$ or $x+18$

Work Step by Step

A number decreased by -18 is the same as adding 18 to the number. So either $x-(-18)$ or $x+18$ is valid.
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