\[\frac{5x - 7}{6x} - \frac{x - 3}{6x} + \frac{2x - 8}{6x} =\]
\[= \frac{5x - 7 - x + 3 + 2x - 8}{6x} =\]
\[= \frac{6x - 12}{6x} = \frac{6 \cdot (x - 2)}{6x} = \frac{x - 2}{x}\]