Introductory Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-805-X
ISBN 13: 978-0-13417-805-9

Chapter 2 - Section 2.2 - The Multiplication Property of Equality - Exercise Set - Page 130: 38



Work Step by Step

$14=5z-21$ $5z-21=14$ First add 21 to both sides. $5z=14+21$ $5z=35$ Then divide both sides by 5. 5z$\div$5=35$\div$5 $z=7$ Check the answer. 14=5(7)-21 14=35-21 14=14
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