Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 11 - Rational Expressions and Functions - 11-5 Solving Rational Equations - Practice and Problem-Solving Exercises - Page 695: 12


The equation has one solution, $\frac{-1}{3}$.

Work Step by Step

$\frac{5}{2s}+\frac{3}{4}=\frac{9}{4s}$ $\frac{10}{4s}+\frac{3s}{4s}-\frac{9}{4s}=0$ $\frac{3s+10-9}{4s}=0$ $3s+1=0\times4s$ $3s+1=0$ $s=\frac{-1}{3}$ Check: $5/(2\times\frac{-1}{3})+3/4=-27/4;9/(4\times\frac{-1}{3})=-27/4$ The equation has one solution, $\frac{-1}{3}$.
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