I tried this:
Code: Select all
\documentclass[12pt]{standalone}
\usepackage{amsmath}
\usepackage{amsfonts}
\usepackage{amssymb}
\usepackage{array}
\begin{document}
\begin{align}
x & = 3 \\
y &= 4
\end{align}
\end{document}
Code: Select all
\documentclass[12pt]{standalone}
\usepackage{amsmath}
\usepackage{amsfonts}
\usepackage{amssymb}
\usepackage{array}
\begin{document}
\begin{align}
x & = 3 \\
y &= 4
\end{align}
\end{document}