Wie kann ich in einer align-Umgebung die Nummerierung unterdrücken?

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
\documentclass[11pt]{article}
\usepackage[T1]{fontenc}
\usepackage[tbtags]{mathtools}  % lädt »amsmath«
\usepackage{physics}
\pagestyle{empty}
\begin{document}
  \begin{equation}
    \begin{split}
      \int_0^t (v_0+a\tau)\,\dd\tau
      &= \int_0^t v_0\,\dd\tau+\int_0^t a\tau\,\dd\tau \\
      &= v_0\cdot\int_0^t\,\dd\tau + a\cdot\int_0^t \tau\,\dd\tau \\
      &= v_0\cdot[\tau]_0^t + a\cdot\left[\frac{\tau^2}{2}\right]_0^t \\
      &= \frac{1}{2} at^2+v_0t
    \end{split}
  \end{equation}
\end{document}
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX