Algebra: A Combined Approach (4th Edition)

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

Appendix D - Practice: 2

Answer

The solutions for |y|=15 are 15 and -15.

Work Step by Step

We need to solve for y. Remember that any number inside of the bars automatcally becomes postive, so whatever the solution is, we will need to include the negative of that number also. Obviously, 15 equals 15, so we will also need to use the negative of that. So your two solutions are 15 and -15.
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