\[2 \cdot (x - 3) = 4x + 1\]
\[2x - 6 = 4x + 1\]
\[- 6 - 1 = 4x - 2x\]
\[- 7 = 2x\]
\[x = - \frac{7}{2}\]
\[x = - 3,5.\]