TeX Quellcode:

\begin{array}{crclllcc} \text{I} & 2y+7z &=& 8 & \vert \cdot 8 \cr \text{II} & -16y-56z &=& 2 \cr \cr \text{I} & 16y+56z &=& 64 \cr \text{II} & -16y-56z &=& 2 \cr \cr \text{I} & 16y+56z &=& 64 \cr \text{I+II} & 0y+0z &=& 66 \cr \cr & \mathbb{L} &=& \emptyset \end{array}