Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 7 - Section 7.5 - Solving Equations Containing Rational Expressions - Exercise Set: 3

Answer

The solution is 0

Work Step by Step

$\frac{x}{2}$+$\frac{5x}{4}$=$\frac{x}{12}$ 12($\frac{x}{2}$+$\frac{5x}{4}$)=12$\frac{x}{12}$ 12$\frac{x}{2}$+12$\frac{5x}{4}$=12$\frac{x}{12}$ 6x+3*5x=x 6x+15x=x 21x=x 21x-x=x-x 20x=0 x=0 The solution is 0 Check x=0 $\frac{x}{2}$+$\frac{5x}{4}$=$\frac{x}{12}$ $\frac{0}{2}$+$\frac{5*0}{4}$=$\frac{0}{12}$ 0+0=0 0=0
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