Algebra 1

by Hall, Prentice

Published by Prentice Hall

ISBN 10: 0133500403

ISBN 13: 978-0-13350-040-0

Chapter 2 - Solving Equations - Chapter Review - 2-7 and 2-8 Solving Proportions and Using Similar Figures - Page 155: 45

Answer

y = -4

Work Step by Step

$\frac{-8}{10}$ = $\frac{y}{5}$ First, use the Cross Products Property. -8(5) = 10y Simplify the left side of the equation. -40 = 10y To find y, divide both sides of the equation by 10. $\frac{-40}{10}$ = $\frac{10y}{10}$ y = -4

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