Answer
4
Work Step by Step
The solution $x=4$ is extraneous since, if plugged back in, it gives a denominator of 0, which is not a valid solution,
Algebra 2 (1st Edition)
by Larson, Ron; Boswell, Laurie; Kanold, Timothy D.; Stiff, Lee
Published by
McDougal Littell
ISBN 10:
0618595414
ISBN 13:
978-0-61859-541-9
Chapter 8 Rational Functions - 8.6 Solve Rational Equations - 8.6 Exercises - Skill Practice - Page 592: 2
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