\[\frac{4x + 8}{x + 2} - \frac{x - 4}{x + 2} = 0\ \ \ \ | \cdot (x + 2);\ x \neq - 2\]
\[4x + 8 - (x - 4) = 0\]
\[4x + 8 - x + 4 = 0\]
\[3x + 12 = 0\]
\[3x = - 12\]
\[x = - 4\]
\[Ответ:\ x = - 4.\]