Intermediate Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-894-7
ISBN 13: 978-0-13417-894-3

Chapter 1 - Review Exercises - Page 98: 34

Answer

$7$

Work Step by Step

Substitute the value of $x$ to have: obtain: $-x=-(-7) = 7$
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