\[3 - 4 \cdot (1 - 6x) = 2 \cdot (3x + 4)\]
\[3 - 4 + 24x = 6x + 8\]
\[24x - 6x = 8 + 1\]
\[18x = 9\]
\[x = \frac{9}{18} = \frac{1}{2}\]
\[x = 0,5.\]