Intermediate Algebra (12th Edition)

Published by Pearson
ISBN 10: 0321969359
ISBN 13: 978-0-32196-935-4

Chapter R - Section R.2 - Operations on Real Numbers - R.2 Exercises - Page 20: 30

Answer

22

Work Step by Step

$|-7-15|=|-(7+15)|=|-(22)|=|-22|=-(-22)=22$ Recall that $|a|=-a$ when $a\lt0$.
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