TeX Quellcode:
\begin{array}{rclcl}5y + 3x - 1 & < & 2y &\vert& -2y \cr 3y + 3x - 1 & < & 0 &\vert& -3x+1 \cr 3y & < & - 3x+1 &\vert& :3 \cr y & < & -x +\dfrac13\end{array}