Basic College Mathematics (10th Edition)

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

Chapter 9 - Basic Algebra - 9.2 Adding and Subtracting Signed Numbers - 9.2 Exercises - Page 638: 8



Work Step by Step

To add $-3+2$, we can take the absolute value of both numbers. $|-3|=3$ $|2|=2$ These two numbers differ in absolute value by 1. We must add a negative sign in front of 1 because the number with the higher absolute value is negative, so the result will be negative. Therefore, $-3+2=-1$.
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