\[\frac{4x + 5}{2x - 7} + \frac{3x - 1}{7 - 2x} = \frac{A}{2x - 7}\]
\[\frac{4x + 5 - 3x + 1}{2x - 7} = \frac{A}{2x - 7}\]
\[A = x + 6\]
\[Ответ:A = x + 6.\]