Algebra: A Combined Approach (4th Edition)

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

Appendix D - Practice: 14

Answer

The solution set is [-1,6].

Work Step by Step

|2x-5|+2≤9 First, we get the absolute value equation by itself by subtracting two from both sides. |2x-5|+2-2≤9-2 |2x-5|≤7 Now, we make a new equation. -7≤2x-5≤7 -7+5≤2x≤7+5 -2≤2x≤12 -2/2≤2x/2≤12/2 -1≤x≤6 The solution set is [-1,6].
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