%% %% Ein Beispiel der DANTE-Edition %% %% 2. Auflage %% %% Beispiel 09-08-19 auf Seite 457. %% %% Copyright (C) 2016 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{352.81416pt} \AtBeginDocument{\setlength\parindent{0pt}} \setcounter{equation}{80} \renewcommand\theequation{9.\arabic{equation}} %StartShownPreambleCommands \usepackage{amsmath,empheq,xcolor,graphicx} \newcommand*\mycolbox[1]{\colorbox{blue!30!yellow!40}{\hspace{1em}#1\hspace{1em}}} %StopShownPreambleCommands \begin{document} \begin{subequations} \begin{empheq}[% Beginn der Optionen box=\mycolbox, right={\;\makebox[.9em]{$\raisebox{-.5\totalheight+\fontdimen22\textfont2} {\resizebox{!}{\EmphEqdisplayheight+\EmphEqdisplaydepth}{!}}$}}, left={X=Y\Rightarrow\empheqlbrace}]{alignat=3} % A_1&=b_1 & \qquad c_1&=d_1 & \qquad e_1&= f_1 \tag*{\_A\raisebox{1ex}{silly}\raisebox{-1ex}{tag}\_}\\ A_2&=b_2 & \qquad c_2&=d_2 & \qquad e_2&= f_2 \\ A_3&=b_3 & \qquad c_3&=d_3 & \qquad e_3&= f_3 \end{empheq} \end{subequations} \end{document}