Answer
-$\frac{x}{2}$
Work Step by Step
$\frac{7x}{16}$ - $\frac{15x}{16}$
= $\frac{7x-15x}{16}$
=$\frac{-8x}{16}$
=-$\frac{8\times 1x}{2\times8}$
=-$\frac{x}{2}$
Prealgebra (7th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321955048
ISBN 13:
978-0-32195-504-3
Chapter 4 - Section 4.4 - Adding and Subtracting Like Fractions, Least Common Denominator, and Equivalent Fractions - Exercise Set - Page 261: 31
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