\[\frac{x}{3} + \frac{5x + 7}{12} = \frac{11 + 3x}{4}\ \ \ | \cdot 12\]
\[4x + 5x + 7 = 3(11 + 3x)\]
\[9x + 7 = 33 + 9x\]
\[0x = 26\]
\[нет\ корней.\]