TeX Quellcode:

\begin{array}{crclllcc}\text{I} & \dfrac{1}{16}s+t &=& -12 &\vert -t \cr \cr \text{II} & \dfrac{1}{16}s-\dfrac{3}{2}t &=& 23 &\vert +\dfrac{3}{2}t \cr \cr \cr \text{I} & \dfrac{1}{16}s&=& -12-t \cr \cr \text{II} & \dfrac{1}{16}s &=& 23+\dfrac{3}{2}t \cr \cr \cr \text{I = II} & -12-t &=& 23+\dfrac{3}{2}t &\vert -\dfrac{3}{2}t+12 \cr \cr & -t-\dfrac{3}{2}t &=& 23+12 \cr \cr & -\dfrac{5}{2}t &=& 35 & \Rightarrow t=-14 \cr \cr \cr t=-14 \text{ in I} & \dfrac{1}{16}s-14 &=& -12 &\vert +14 \cr \cr & \dfrac{1}{16}s &=& 2 & \Rightarrow s = 32 \cr \cr \cr & \mathbb{L} &=& \{\left(32; -14\right)\} \end{array}