\[(3x + 4) \cdot (4x - 3) - 5 = (2x + 5) \cdot (6x - 7)\]
\[12x^{2} - 9x + 16x - 12 - 5 = 12x^{2} - 14x + 30x - 35\]
\[- 9x = - 18\]
\[x = 2.\]
\[Ответ:x = 2.\ \]