TeX Quellcode:

\begin{array}{rclcl}(2x-11)\cdot 10 & \geq & -67+4x-8(4-2x) \\20x-110 & \geq & -67+4x-32+16x \\20x-110 & \geq & -99+20x & \vert & -20x \\-110 & \geq & -99\end{array}