\[\frac{3x - 1}{5} - \frac{x + 4}{10} = 1\ \ \ \ | \cdot 10\]
\[2 \cdot (3x - 1) - x - 4 = 10\]
\[6x - 2 - x - 4 = 10\]
\[5x = 10 + 6\]
\[5x = 16\]
\[x = 3,2.\ \]