%% 
%%  An UIT Edition example
%% 
%%  Example 06-02-16 on page 86.
%% 
%%  Copyright (C) 2010 Herbert Voss
%% 
%%  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.
%% 
%%  See http://www.latex-project.org/lppl.txt for details.
%% 
%% 
%% ==== 
% Show page(s) 1
%% 
\documentclass[]{exaarticle}
\pagestyle{empty}
\setlength\textwidth{201.70511pt}
\AtBeginDocument{\setlength\parindent{0pt}}
\usepackage[english]{babel}
\setcounter{equation}{21}
\renewcommand\theequation{6.\arabic{equation}}
\StartShownPreambleCommands
\usepackage{amsmath}
\StopShownPreambleCommands
\begin{document}
Completely normal and pointless text before
the \texttt{flalign} environment.
\begin{flalign}
  i_{11} &= 0.25   \nonumber \\
  i_{21} &= \frac{1}{3}i_{11}\\
  i_{31} &= 0.33i_{22}
\end{flalign}
\end{document}
