Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)

Published by Pearson
ISBN 10: 0-32184-874-8
ISBN 13: 978-0-32184-874-1

Chapter 2 - Equations, Inequalities, and Problem Solving - 2.6 Solving Inequalities - 2.6 Exercise Set - Page 134: 8



Work Step by Step

$\bf{\text{Solution Outline:}}$ Use the properties of inequality to solve the given inequality, $ -3x\lt-15 .$ Use the resulting solution to complete the relationship of $ x \text{ and } 5 .$ $\bf{\text{Solution Details:}}$ Dividing both sides by a negative number (and consequently reversing the inequality symbol) \begin{array}{l}\require{cancel} -3x\lt-15 \\\\ \dfrac{-3x}{-3}\lt\dfrac{-15}{-3} \\\\ x\gt5 .\end{array} Hence, the symbol that completes the relationship of $ x $ and $ 5 $ is $" \gt ".$
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