TeX Quellcode:
\begin{array}{rclll} 4 \left(\dfrac{x}{2}-\dfrac{1}{3}\right)+5\left(\dfrac{x}{5}-\dfrac{1}{3}\right) &=& 0 \cr 2x-\dfrac{4}{3}+x-\dfrac{5}{3} &=& 0 \cr 3x-3 &=& 0 & \vert & +3 \cr 3x &=& 3 & \vert & :3 \cr x &=& 1 \end{array}