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: 18

Answer

20

Work Step by Step

This is just a simple addition problem. You start with 11 then add 9, and you end up getting 20.
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