Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 3 - Solving Inequalities - 3-3 Solving Inequalities Using Multiplication or Division - Practice and Problem-Solving Exercises - Page 181: 18

Answer

$y\geq9$

Work Step by Step

$-5\geq-\frac{5}{9}y$ Multiply both sides by $-\frac{9}{5}$ $-\frac{9}{5}\times-5\geq-\frac{5}{9}\times-\frac{9}{5}$ Simplify: (reverse inequality sign) $y\geq9$ Let's check: let y=12 $-5\geq-\frac{5}{9}(12)$ $-5\geq\frac{-20}{3}$ or $-5\geq-6.67$ The statement is true
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