Answer
$2x$.
Work Step by Step
An equivalent of $\frac{7}{15x}$ with a denominator of $30x^2$ can be found by multiplying the numerator and denominator both by $30x^2\div 15x=2x$.
Intermediate Algebra for College Students (7th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13417-894-7
ISBN 13:
978-0-13417-894-3
Chapter 6 - Section 6.2 - Adding and Subtracting Rational Expressions - Concept and Vocabulary Check - Page 426: 7
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