\documentclass{amsart}
    \advance\textheight by 1.75in
    \advance\textwidth by 2in
    \advance\topmargin by -1in
    \advance\oddsidemargin by -1in
    \advance\evensidemargin by -1in
    \usepackage{amssymb}
    \parindent0pt
    \begin{document}
    
\end{document}