$\frac{x^{11} \cdot x^9 \cdot (x^3)^4}{x^{27} \cdot x^4} = 11$.
\begin{align*}
\frac{x^{11} \cdot x^9 \cdot x^{12}}{x^{27} \cdot x^4} &= 11 \\
\frac{x^{11+9+12}}{x^{27+4}} &= 11 \\
\frac{x^{32}}{x^{31}} &= 11 \\
x^{32-31} &= 11 \\
x^1 &= 11 \\
x &= 11
\end{align*}
Ответ: x = 11.