TeX Quellcode:
\begin{array}{rclll}5\left(x+\dfrac{18}{25}\right) &=& 3\left(x-\dfrac{4}{5}\right) \cr 5x+\dfrac{18}{5} &=& 3x-\dfrac{12}{5} & \vert & -\dfrac{18}{5}-3x \cr 5x-3x &=& -\dfrac{12}{5}-\dfrac{18}{5} \cr 2x &=& -6 & \vert & : 2 \cr x &=& -3 \not\in\mathbb{D} \cr\cr \mathbb{L}&=&\emptyset \end{array}