#### Answer

-$\frac{x}{2}$

#### Work Step by Step

$\frac{7x}{16}$ - $\frac{15x}{16}$
= $\frac{7x-15x}{16}$
=$\frac{-8x}{16}$
=-$\frac{8\times 1x}{2\times8}$
=-$\frac{x}{2}$

Published by
Pearson

ISBN 10:
0321955048

ISBN 13:
978-0-32195-504-3

-$\frac{x}{2}$

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