Elementary Technical Mathematics

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

Chapter 8 - Section 8.1 - Linear Equations with Two Variables - Exercises - Page 297: 32



Work Step by Step

By subtracting $4x$ from each side and then dividing each side by $-5$, we get $$4x-5y=10\Longrightarrow -5y=10-42x \\ \Longrightarrow y=-\frac{10-4x}{5}=\frac{4x}{5}-2 .$$
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