multiple equation latex code example
Example: multiple math equation in latex
\documentclass{article}
\usepackage{amsmath}
\begin{document}
\begin{equation}
\label{eq:t}
\begin{aligned}
f(x) &= x^2\\
g(x) &= \exp(x)
\end{aligned}
\end{equation}
\begin{equation}
\label{eq:u}
\begin{gathered}
f(x) = x^2\\
g(x) = \exp(x)
\end{gathered}
\end{equation}
\end{document}