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: 24

Answer

-15

Work Step by Step

$-21-(-6)=-21+6=6-21=6+(-21)=-15$
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