15. Rational Expressions and Equations

Is the following a rational expression or equation?

$\frac{3m}{m^2-9}=\frac{11}{2x+13}$

Solve the equation.

$\frac{2x+4}{x-1}=5$

Solve the following.

$-\frac{3n}{n+2}+\frac{2n}{4n+8}=\frac{6}{8n+16}$

Solve the equation.

$\frac{5}{x}-\frac{2}{3x}=4+\frac{3}{x}$

Solve the equation.

$\frac{-5}{x+4}-3=\frac{x-1}{x+4}$

Is the following a rational expression or equation?

$\frac{17x+1}{21x-2}$

Solve the following.

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