\documentclass[11pt,a4paper]{article}
% https://guides.nyu.edu/c.php?g=601858&p=4168138

%\title{Title}
%\author{Érico Nogueira Rolim}
%\date{}

\usepackage[margin=2cm]{geometry}
%\usepackage{amsmath}

% https://guides.nyu.edu/c.php?g=601858&p=4168138
\newcommand{\question}[2][]{\begin{flushleft}
	\textbf{Questão #1}: #2
\end{flushleft}}
\newcommand{\sol}{\textbf{Solução}:\newline}

\begin{document}

%\maketitle
%\tableofcontents



\end{document}