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: 77

Answer

$x\gt-10$

Work Step by Step

Remember in this problem that when we divide by a negative number, we flip the sign of the inequality. Using the properties of inequality, the solution to the given inequality, $ -3\lt8x+7-7x ,$ is: \begin{array}{l}\require{cancel} -8x+7x\lt7+3 \\\\ -x\lt10 \\\\ x\gt-10 .\end{array}
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