Respuesta :

[tex]\begin{gathered} 2x-5=13 \\ 2x-5+5=13+5 \\ 2x=18 \\ 2x(\frac{1}{2})=18(\frac{1}{2}) \\ \frac{2x}{2}=\frac{18}{2} \\ x=9 \end{gathered}[/tex]