Answer with step-by-step explanation:
[tex]\begin{aligned} 2x-5& \leqslant 7 \\ 2x &\leqslant 5 + 7\\2x & \leqslant 12\\x & \leqslant \frac{12}{2} = 6\end{aligned}[/tex]
[tex]\:[/tex]
Graph is on attached image