Basic College Mathematics (10th Edition)

Published by Pearson
ISBN 10: 0134467795
ISBN 13: 978-0-13446-779-5

Chapter 9 - Basic Algebra - Summary Exercises - Operations with Signed Numbers - Page 656: 11

Answer

-13

Work Step by Step

-18 + 5 Find the absolute values |-18| = 18 and |5| = 5 Subtract the lesser absolute value from the greater absolute value 18 -5 = 13 The negative number -18 has the greater absolute value, so the answer is negative -18 +5 = -13
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