Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)

Published by Pearson
ISBN 10: 0-32184-874-8
ISBN 13: 978-0-32184-874-1

Chapter 1 - Introduction to Algebraic Expressions - 1.2 The Commutative, Associative, and Distributive Laws - 1.2 Exercise Set: 45

Answer

$(m\times3)7=21m$

Work Step by Step

Show that $(m\times3)7$ is equivalent to $21m$. $(m\times3)7\longrightarrow$ Use the associative property. =$m(3\times7)\longrightarrow$ Simplify. =$m(21)\longrightarrow$ Use the commutative property. =$21m$
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