Algebra: A Combined Approach (4th Edition)

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

Appendix D - Exercise Set - Page 994: 29

Answer

The solution set is {9,-1/2}.

Work Step by Step

Using the absolute value property, you need to form two seperate equations. 5x-7=3x+11 5x-7+7=3x+11+7 5x=3x+18 5x-3x=3x-3x+18 2x=18 2x/2=18/2 x=9 5x-7=-3x-11 5x-7+7=-3x-11+7 5x=-3x-4 5x+3x=-3x+3x-4 8x=-4 8x/8=-4/8 x=-1/2 The solution set is {9,-1/2}.
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