Prealgebra (7th Edition)

Published by Pearson
ISBN 10: 0321955048
ISBN 13: 978-0-32195-504-3

Chapter 6 - Review - Page 460: 20



Work Step by Step

Use cross multiplication to solve for x. $\frac{x}{9}=\frac{7}{3}$ $3x=7\times9$ $3x=63$ $3x\div3=63\div3$ $x=21$
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