Prealgebra (7th Edition)

Published by Pearson
ISBN 10: 0321955048
ISBN 13: 978-0-32195-504-3

Chapter 4 - Section 4.6 - Complex Fractions and Review of Order of Operations - Exercise Set: 81

Answer

$-4\frac{13}{16}$

Work Step by Step

When $x=\frac{3}{4}$ and $y=-\frac{4}{7}$, $=\frac{2+x}{y}$ $=(2+x)\div(y)$ $=(2+\frac{3}{4})\div(-\frac{4}{7})$ $=(\frac{8}{4}+\frac{3}{4})\div(-\frac{4}{7})$ $=(\frac{11}{4})\div(-\frac{4}{7})$ $=-(\frac{11}{4}\div\frac{4}{7})$ $=-(\frac{11}{4}\times\frac{7}{4})$ $=-\frac{77}{16}$ $=-4\frac{13}{16}$
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