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 - 1.5 - Use of Properties - Problem Set 1.5 - Page 34: 86



Work Step by Step

The commutative property can be used to show that the two expressions are equivalent. The first expression $(-6a + 7b) + 11c$ can be rewritten without parentheses as $-6a + 7b + 11c$, which can then be rearranged to $7b + 11c - 6a$ Adding parentheses, this results in the second expression: $7b +(11c - 6a)$
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