\[\frac{2x}{5} - \frac{x + 4}{10} + \frac{x - 1}{15} \geq 0\ \ \ \ \ | \cdot 30\]
\[12x - 3(x + 4) + 2(x - 1) \geq 0\]
\[12x - 3x - 12 + 2x - 2 \geq 0\]
\[11x \geq 14\]
\[x \geq \frac{14}{11}\]
\[x \geq 1\frac{3}{11}.\]
\[Ответ:x \in \left\lbrack 1\frac{3}{11}; + \infty \right).\]