Answer
The solution set is {7/3,-1/3}.
Work Step by Step
3|x-1|+19=23
3|x-1|+19-19=23-19
3|x-1|=4
3x-3=4
3x-3+3=3+4
3x=7
3x/3=7/3
x=7/3
3x-3=-4
3x-3+3=-4+3
3x=-1
3x/3=-1/3
x=-1/3
The solution set is {7/3,-1/3}.
Algebra: A Combined Approach (4th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321726391
ISBN 13:
978-0-32172-639-1
Appendix D - Exercise Set - Page 994: 27
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