[tex]\textbf{Resolvemos:}\\\\13-\left\{-7+\left[-15-\left(34-16\right)\right]+8\right\}\\\\13-\left\{-7+\left[-15-18\right]+8\right\}\\\\13-\left\{-7-33+8\right\}\\\\13-\left\{-32\right\}\\\\13+32\\\\\boxed{\mathbf{45}}\quad\Longrightarrow\textbf{Respuesta}[/tex]
