TeX Quellcode:

\begin{array}{rclcll} \dfrac{1}{x+3} & < & -5 &\vert & \cdot\left(x+3\right)\\1 &>& -5\left(x+3\right)\\1 &>& -5x-15 &\vert & +15\\16 &>& -5x &\vert & :\left(-5\right)\\-\dfrac{16}{5} & < & x \end{array}