Intermediate Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-894-7
ISBN 13: 978-0-13417-894-3

Chapter 4 - Section 4.3 - Equations and Inequalities Involving Absolute Value - Exercise Set - Page 283: 14



Work Step by Step

Given: $3|y+5|=12$ This can also be written as: $|y+5|=4$ As per definition of absolute value, we have $y+5=4$ and $y+5=-4$ Thus, $y=4-5=-1$ and $y=-4-5=-9$ Hence, {$-9,-1$}
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