Elementary Algebra

Published by Cengage Learning
ISBN 10: 1285194055
ISBN 13: 978-1-28519-405-9

Chapter 1 - Some Basic Concepts of Arithmetic and Algebra - Chapter 1 Review Problem Set: 46

Answer

$13a-6b$

Work Step by Step

We rewrite the given expression using the commutative property of addition: $9a+4a+11b-17b$ In order to combine like terms, we use a form of the distributive property to rewrite the expression as $(9+4)a+(11+(-17))b$ We subtract inside all of the parentheses: $13a-6b$
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