\[\frac{7x + 1}{x + 4} - \frac{x - 11}{x + 4} = 0\]
\[\frac{7x + 1 - x + 11}{x + 4} = 0;\ \ \ \ x \neq - 4\]
\[6x + 12 = 0\]
\[6 = - 12\]
\[x = - 2\]
\[Ответ:x = - 2.\]