#### Answer

$-\frac{3y}{8x}$

#### Work Step by Step

Given : $\frac{\frac{1}{x} - \frac{4}{x}}{\frac{3}{y} + \frac{5}{y}}$
This becomes : $\frac{\frac{-3}{x}}{\frac{8}{y}}= - \frac{3}{x} \times \frac{y}{8}$
$-\frac{3y}{8x}$

Published by
Prentice Hall

ISBN 10:
0133281140

ISBN 13:
978-0-13328-114-9

$-\frac{3y}{8x}$

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