Algebra: A Combined Approach (4th Edition)

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

Appendix D - Practice: 4

Answer

${-7,7}$

Work Step by Step

Step 1: $3|y|-4=17$ Step 2: Adding $4$ to both sides, $3|y|-4+4=17+4$. Step 3: $3|y|=21$ Step 4: Dividing both sides by $3$, $\frac{3|y|}{3}=\frac{21}{3}$. Step 5: $|y|=7$ Step 6: Using the absolute value property, y=7 or y=-7. Step 7: Therefore, the solution set is ${-7,7}$.
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