Intermediate Algebra (6th Edition)

Published by Pearson
ISBN 10: 0321785045
ISBN 13: 978-0-32178-504-6

Practice Final Exam - Page 705: 23

Answer

the interval $\left(-\infty, \dfrac{3}{2}\right)\cup[5,\infty)$

Work Step by Step

Using the properties of inequality, the given expression, $ -3\lt2(x-3)\le4 ,$ simplifies to \begin{array}{l}\require{cancel} -3\lt2x-6\le4 \\\\ -3+6\lt2x-6+6\le4+6 \\\\ 3\lt2x\le10 \\\\ \dfrac{3}{2}\lt\dfrac{2}{2}x\le\dfrac{10}{2} \\\\ \dfrac{3}{2}\lt x\le5 .\end{array} Hence, the solution set is $\text{ the interval $\left(-\infty, \dfrac{3}{2}\right)\cup[5,\infty)$ .}$
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