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: 18



Work Step by Step

Step 1: $|x|+1=3$ Step 2: Subtracting $1$ to both sides, $|x|+1-1=3-1$ Step 3: $|x|=2$ Step 4: Using the absolute value property, $x=2$ or $x=-2$ Step 5: Therefore, the solution set is {$-2,2$}
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