Elementary Algebra

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

Chapter 2 - Real Numbers - Chapter 2 Review Problem Set - Page 88: 18


$= \frac{14y+9x}{2xy}$

Work Step by Step

We first create a common denominator, and then we add the numerators together to obtain: $\frac{7}{x} + \frac{9}{2y}$ $= \frac{7(2y)}{2xy} + \frac{9(x)}{2xy}$ $= \frac{14y}{2xy} + \frac{9x}{2xy}$ $= \frac{14y+9x}{2xy}$
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