Precalculus (6th Edition) Blitzer

Published by Pearson
ISBN 10: 0-13446-914-3
ISBN 13: 978-0-13446-914-0

Chapter P - Section P.7 - Equations - Exercise Set - Page 108: 165



Work Step by Step

Equations are equivalent if they have equal solution sets. $\left[\begin{array}{ll} 3y-1=11 & 3y-7=5\\ 3y=12 & 3y=12\\ y=4 & y=4 \end{array}\right]$ Both equations have the solution set $\{4\}$, so, the statement is true.
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