#### Answer

$$n=\frac{-71}{12}$$

#### Work Step by Step

$$\frac{2}{3} +n +6= \frac{3}{4}$$
$$\frac{8}{12} +n +6= \frac{9}{12}$$ $$n+\frac{72}{12}=\frac{1}{12}$$
$$n=\frac{-71}{12}$$

Published by
Prentice Hall

ISBN 10:
0133500403

ISBN 13:
978-0-13350-040-0

$$n=\frac{-71}{12}$$

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