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 7 - Functions and Graphs - Review Exercises: Chapter 7 - Page 497: 42


$t_{1}=t_{2}-\displaystyle \frac{A}{vT}$

Work Step by Step

The goal is to isolate the wanted variable on one side of the equation. Multiply with $\displaystyle \frac{(t_{2}-t_{1})}{T}$ $ T\times \displaystyle \frac{(t_{2}-t_{1})}{T}=\frac{A}{v(t_{2}-t_{1})}\times \displaystyle \frac{(t_{2}-t_{1})}{T}$ $ t_{2}-t_{1}=\displaystyle \frac{A}{vT}\qquad$ ... subtract $t_{2}$ $-t_{1}=\displaystyle \frac{A}{vT}-t_{2}\qquad$ ... multiply with $-1$ $t_{1}=t_{2}-\displaystyle \frac{A}{vT}$
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