Answer
Fractions with different denominators cannot be simply added together.
Work Step by Step
Done correctly, we find that the first step should be:
$$\frac{5}{x}\cdot \:6x+\frac{23}{6}\cdot \:6x=\frac{45}{x}\cdot \:6x \\ 30+23x=270$$
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 593: 27
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