TeX Quellcode:

\begin{array}{rclcl} 0 &=& \dfrac{\ln(6x)}{\sqrt{9}}+2 & \vert & -2 \\\\-2 &=& \dfrac{\ln(6x)}{3} & \vert & \cdot 3 \\\\ -6 &=& \ln(6x) & \vert & e^*\\\\ e^{-6} &=& 6x & \vert & :6 \\\\ x &=& \dfrac{1}{6} e^{-6} \approx 0{,}0004 \in \mathbb{D}\end{array}