Introductory Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-805-X
ISBN 13: 978-0-13417-805-9

Chapter 7 - Section 7.1 - Rational Expressions and Their Simplification - Exercise Set - Page 491: 6

Answer

$x=5$

Work Step by Step

A rational expression is undefined when the value of its denominator is zero. Write and solve an expression where the denominator is zero. $6x-30=0$ Add 30 to both sides. $6x-30+30=0+30$ Simplify. $6x=30$ Divide both sides by 6. $6x\div6=0\div6$ Simplify. $x=5$
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