Elementary Algebra

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

Chapter 2 - Real Numbers - Chapters 1-2 Cumulative Review Problem Set - Page 91: 38



Work Step by Step

After using the distributive property, we group like terms to ease simplification. We then combine like terms to simplify the expression: $2a-5(a+3)-2(a-1)-4a$ =$2a-5a-15-2a+2-4a$ =$2a-5a-2a-4a-15+2$ =$(2a-5a-2a-4a)+(-15+2)$ =$(-9a)+(-13)$ =$-9a-13$
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