Thinking Mathematically (6th Edition)

Published by Pearson
ISBN 10: 0321867327
ISBN 13: 978-0-32186-732-2

Chapter 5 - Number Theory and the Real Number System - Chapter Summary, Review, and Test - Review Exercises - Page 335: 17



Work Step by Step

The addends have the same signs, so add the absolute values of the addends. The sign of the sum is the same as the sign of the addends. Thus, $-6 + (-5) = -(6+5) = -11$
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