TeX source:

\begin{array}{cl} 13-7 x \geq 10 x-4 & \\ 13-17 x \geq-4 & \text { Move variable terms to one side of the inequality. } \\ -17 x \geq-17 & \text { Isolate the variable term. } \\ x \leq 1 & \text { Dividing both sides by }-17 \text { reverses the inequality. } \end{array}