Elementary Technical Mathematics

Published by Brooks Cole
ISBN 10: 1285199197
ISBN 13: 978-1-28519-919-1

Chapter 8 - Cumulative Review - Page 319: 25

Answer

$-2x+\frac{7}{2}$

Work Step by Step

By subtracting $4x$ from each side and then dividing each side by $2$, we get $$4x+2y=7\Longrightarrow 2y=7-4x \\ \Longrightarrow y=\frac{7-4x }{2}=-2x+\frac{7}{2} .$$
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