91Ó°ÊÓ

In the following exercises, simplify.

$\frac{{\displaystyle \frac{3}{y^2-4y-32}}}{{\displaystyle \frac{2}{y-8}}+{\displaystyle \frac{1}{y+4}}}$

In the following exercises, solve.

$\frac{1}{2}+\frac{2}{3}=\frac{1}{x}$

In the following exercises, solve.

$1-\frac{2}{m}=\frac{8}{m^2}$

In the following exercises, solve.

$\frac{1}{b-2}+\frac{1}{b+2}=\frac{3}{b^2-4}$

In the following exercises, simplify each rational expression.

$\frac{b-12}{12-b}$

In the following exercises, solve.

$\frac{3}{q+8}-\frac{2}{q-2}=1$

In the following exercises, solve.

$\frac{y-15}{y^2-9y+18}=\frac{4}{y-3}+\frac{2}{y-6}$

In the following exercises, solve.

$\frac{z}{12}+\frac{z+3}{3z}=\frac{1}{z}$

In the following exercises, solve for the indicated variable.

$\frac{V}{l}=hwforl$

In the following exercises, solve for the indicated variable.

$\frac{1}{x}-\frac{2}{y}=5fory$