Respuesta :
[tex] \bf \begin{cases} x=number\\ \stackrel{\textit{12 fewer than that}}{x-12} \end{cases}~\hspace{7em}x-12\stackrel{\textit{18 or more, at least 18}}{\ge} 18 [/tex]
[tex] \bf \begin{cases} x=number\\ \stackrel{\textit{12 fewer than that}}{x-12} \end{cases}~\hspace{7em}x-12\stackrel{\textit{18 or more, at least 18}}{\ge} 18 [/tex]