TeX Quellcode:

\begin{array}{rclll} \dfrac{2}{p+5}+3 &=& 0 &\vert & \cdot \left(p+5\right)\\2+3\left(p+5\right) &=& 0 \\2+3p+15 &=& 0 \\3p+17 &=& 0 &\vert & -17\\3p &=& -17 &\vert & :3\\p &=& -\dfrac{17}{3}\;\in\;\mathbb{D}\end{array}