Intermediate Algebra: Connecting Concepts through Application

Published by Brooks Cole
ISBN 10: 0-53449-636-9
ISBN 13: 978-0-53449-636-4

Chapter 1-9 - Cumulative Review - Page 761: 21


No solutions exist.

Work Step by Step

(1) $6x+8y=15$ (2) $4y=-3x+15$ Multiply equation (2) by $2$, and then add the two equations. $8y+30=15+8y$ Subtract $8y$ from both sides, and we get $30=15$, which does not make sense. So there are no solutions.
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