Answer
-15.3
Work Step by Step
To add -7.2 + (-8.1), add their absolute values (7.2 + 8.1 = 15.3) and make the sum negative (-15.3).
Algebra: A Combined Approach (4th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321726391
ISBN 13:
978-0-32172-639-1
Chapter 1 - Review - Page 90: 89
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