Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)

Published by Pearson
ISBN 10: 0-32184-874-8
ISBN 13: 978-0-32184-874-1

Chapter 1-3 - Cumulative Review - Page 228: 15



Work Step by Step

Use the rule $\frac{a}{c}=\frac{b}{d} \longrightarrow ad=bc$, more popularly known as cross-multiplication, to obtain: $3(8) = 4(-n) \\24=-4n$ Divide $-4$ to both sides: $\frac{24}{-4} = \frac{-4n}{-4} \\-6=n$
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