College Algebra (11th Edition)

Published by Pearson
ISBN 10: 0321671791
ISBN 13: 978-0-32167-179-0

Chapter 1 - Section 1.7 - Inequalities - 1.7 Exercises - Page 146: 30

Answer

$(-3,1)$

Work Step by Step

Consider the following: $-7\lt2+3x\lt5$ Use the properties of inequalities. Subtract 2 from both sides. $-9\lt3x\lt3$ Divide by 3. $\frac{-9}{3}\lt\frac{3x}{3}\lt\frac{3}{3}$ $-3\lt{x}\lt1$ Solution: $(-3,1)$
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