Intermediate Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-894-7
ISBN 13: 978-0-13417-894-3

Chapter 1 - Review Exercises: 86

Answer

$R=\dfrac{E}{I} - r$

Work Step by Step

Divide both sides of the equation by $I$ to obtain: $\dfrac{E}{I}=R+r$ Subtract $r$ on both sides of the equation to obtain: $\dfrac{E}{I} - r = R$
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