Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Appendix C - Exercise Set - Page 987: 28

Answer

x= [-17/2, -1]

Work Step by Step

First we separate into two inequalities, A: 2x+5/3 ≥-4 B: 2x+5/3 ≤ 1 Then we solve, A: 2x+5≥(-4x3) 2x+5≥-12 2x≥-12-5 2x≥-17 x≥-17/2 B: 2x+5 ≤ 1x3 2x≤ 3-5 2x≤ -2 x≤ -2/2 x≤ -1 So, if x≤ -1 and x≥-17/2, the intersection is x=[-17/2,-1]
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