\[- 4 \cdot (2,3x - 3) - (5 - 2,6x) + 3 \cdot (0,6x - 2) =\]
\[= - 9,2x + 12 - 5 + 2,6x + 1,8x - 6 =\]
\[= - 4,8x + 1\]
\[x = \frac{5}{12}:\]
\[- 4,8 \cdot \left( \frac{5}{12} \right) + 1 = - 0,4 \cdot 5 + 1 =\]
\[= - 2 + 1 = - 1.\]