Prealgebra (7th Edition)

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

Chapter 2 - Review - Page 156: 100



Work Step by Step

$\frac{5y-x}{-y}$ $\longrightarrow$ substitute given values =$\frac{5(1)-(-2)}{-1}$ $\longrightarrow$ multiply =$\frac{5+2}{-1}$ $\longrightarrow$ simplify numerator =$\frac{7}{-1}$ $\longrightarrow$ divide =$-7$
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