Elementary Algebra

Published by Cengage Learning
ISBN 10: 1285194055
ISBN 13: 978-1-28519-405-9

Chapter 7 - Algebraic Fractions - 7.3 - Adding and Subtracting Algebraic Fractions - Concept Quiz 7.3 - Page 291: 5



Work Step by Step

If you multiply the numerator and denominator of the second fraction by -1, the denominator of the second fraction becomes $2x-1$. Since this is the same denominator as the first fraction, $2x-1$ can be used as a common denominator.
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