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 136: 90



Work Step by Step

Using the properties of inequality, the solution to the given inequality, $ 3(2y-3)\gt21 ,$ is \begin{array}{l}\require{cancel} 3(2y)+3(-3)\gt21 \\\\ 6y-9\gt21 \\\\ 6y\gt21+9 \\\\ 6y\gt30 \\\\ y\gt\dfrac{30}{6} \\\\ y\gt5 .\end{array}
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