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