TeX Quellcode:
\begin{array}{rclll} 6(4x-8) &=& (-12x+24) \cdot (-2) \cr 24x-48 &=& 24x-48 & \vert & -24x+48 \cr 24x-24x &=& - 48+48 \cr 0&=& 0 \cr \cr \mathbb{L} &=& \mathbb{R} \end{array}