Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 11 - Rational Expressions and Functions - 11-5 Solving Rational Equations - Practice and Problem-Solving Exercises - Page 684: 34



Work Step by Step

Given:$\dfrac{r+1-2}{r-1}=\dfrac{r}{3}$ Apply cross products. $3(r+1-2)=r(r-1)$ $3(r-1)=r(r-1)r$ From both side the term $(r-1)$ will cancel out. Hence, $r=3$
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