\[\frac{x}{4} - \frac{2x - 1}{6} + \frac{x - 5}{2} \leq 0\ \ \ \ \ | \cdot 12\]
\[3x - 2(2x - 1) + 6(x - 5) \leq 0\]
\[3x - 4x + 2 + 6x - 30 \leq 0\]
\[5x \leq 28\]
\[x \leq 5,6.\]
\[Ответ:\ x \in ( - \infty;5,6\rbrack.\]