Elementary Algebra

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

Chapter 2 - Real Numbers - 2.1 - Rational Numbers: Multiplication and Division - Problem Set 2.1: 47

Answer

$2a$

Work Step by Step

Cancel the common factors to obtain: $\require{cancel} \\=a\cancel{b} \cdot \frac{2}{\cancel{b}} \\=a \cdot 2 \\=2a$
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