%% 
%%  An UIT Edition example
%% 
%%  Example 10-02-2 on page 201.
%% 
%%  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{375.57637pt}
\AtBeginDocument{\setlength\parindent{0pt}}
\StartShownPreambleCommands
\usepackage{amsmath,multirow,bigdelim,calc}
\StopShownPreambleCommands
\begin{document}
\begin{tabular}{rc}
\ldelim\{{2}{1.5cm}[text --- text] & \parbox{\linewidth-2cm-4\tabcolsep}{\vspace*{1ex}
  \begin{flalign*}
     x & = 2\quad\text{if }y >2 & \\ x & = 3\quad\text{if }y \le 2 &
  \end{flalign*}}
\end{tabular}
\end{document}