Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 1 - Foundations for Algebra - 1-5 Adding and Subtracting Real Numbers - Practice and Problem-Solving Exercises - Page 34: 23



Work Step by Step

You are starting at -9 and then adding -2. What you can do is add 9 and 2, which equals 11. Since both of them are negative, you just add a negative symbol to 11, giving you -11 as your answer.
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