How can I label each of these equations separately so that I can refer to each of them later on?
\[
\begin{cases}
u_t+uu_x=-p_x, \\
H_t+(uH)_x=0,
\end{cases}
\]
How can I label each of these equations separately so that I can refer to each of them later on?
\[
\begin{cases}
u_t+uu_x=-p_x, \\
H_t+(uH)_x=0,
\end{cases}
\]