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%%  Ein Beispiel der DANTE-Edition
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%%  1. Auflage
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%%  Beispiel 09-07-11 auf Seite 445.
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%%  Copyright (C) 2011 Herbert Voss
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%%  It may be distributed and/or modified under the conditions
%%  of the LaTeX Project Public License, either version 1.3
%%  of this license or (at your option) any later version.
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%%  See http://www.latex-project.org/lppl.txt for details.
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% Show page(s) 1
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\documentclass[]{exaarticle}
\pagestyle{empty}
\setlength\textwidth{166.324pt}
\AtBeginDocument{\setlength\parindent{0pt}}
\usepackage[ngerman]{babel}
\setcounter{equation}{36}
\renewcommand\theequation{9.\arabic{equation}}
\StartShownPreambleCommands
\usepackage{amsmath}
\StopShownPreambleCommands
\begin{document}
Ganz normaler und sinnloser Text vor der
Umgebung \texttt{flalign}.
\begin{flalign}
  i_{11} &= 0.25              & \nonumber \\
  i_{21} &= \frac{1}{3}i_{11} & \\
  i_{31} &= 0.33i_{22}        &
\end{flalign}
\end{document}
