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: 31



Work Step by Step

$2x-3=9$ First add 3 to both sides. $2x=9+3$ $2x=12$ Then divide both sides by 2. 2x$\div$2=12$\div$2 $x=6$ Check the answer. 2(6)-3=9 12-3=9 9=9
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