Intermediate Algebra (6th Edition)

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

Chapter 2 - Section 2.4 - Linear Inequalities and Problem Solving - Exercise Set: 48

Answer

$(-∞,-1.5)$

Work Step by Step

$0.7x-x \gt 0.45$ $(0.7-1)x \gt 0.45$ $-0.3x \gt 0.45$ Divide both sides by $-0.3$ and reverse the inequality symbol. $\frac{-0.3}{-0.3}x \lt \frac{0.45}{-0.3}$ $x \lt -1.5$ In interval notation, the solution set is $(-∞,-1.5)$
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