TeX Quellcode:
\begin{array}{rclll} 30z-26\left(\dfrac{2z}{13}-1\right)+5z&=&-6+2\left(25z+16\right)-19z \cr\cr 30z-4z+26+5z&=&-6+50z+32-19z \cr 31z+26&=&31z+26&\vert&-26 \cr 31z&=&31z &\vert& -31z \cr 0&=&0 \cr\cr \mathbb{L}&=&\mathbb{R} \end{array}