\[\frac{2x - 1}{x - 5} - \frac{x + 2}{5 - x} = \frac{A}{x - 5}\]
\[\frac{2x - 1 + x + 2}{x - 5} = \frac{A}{x - 5}\]
\[3x + 1 = A\]
\[Ответ:A = 3x + 1.\]