Latex template for mathy paper supplement documents

template.tex

%% Document type
\documentclass[12pt]{article}

%% Start of preamble
\usepackage{amsmath}        % Advanced math extension
\usepackage{amssymb}        % Advanced math symbols
\usepackage{array}          % Advanced tables
%\usepackage{bm}            % Allows bold greek letters in math mode
%\usepackage{caption}       % Allows customization of caption appearance
\usepackage[margin=1in]{geometry}   % Management of document margins and size
\usepackage{graphicx}       % Allows you to insert graphic files to document
\usepackage{indentfirst}    % Indent the first paragraph of new section
%\usepackage{multicol}      % Multiple columns in text
%\usepackage{natbib}        % Citation options and styles
\usepackage{setspace}       % Set the spacing between text
\usepackage{subcaption}     % Allows subcaptions and multiple floating figures

\begin{document}

%% Uncomment if you want to include a title page
%\title{}
%\author{}
%\date{}
%\maketitle


Does this work?

\begin{equation}
\alpha
\end{equation}
\end{document}