\documentclass{book}

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\graphicspath{{./figs/}}
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\begin{document}


\begin{table}[t]
\begin{tabular}{p{0.7\textwidth} p{0.3\textwidth}}
\multicolumn{2}{r}{حالت اول} \\

لیست معادلات
\begin{align}
a &= 1\\
b &= 2
\end{align}    &
\includegraphics[width=]{fig1} \\
	
\multicolumn{2}{r}{حالت دوم} \\

لیست معادلات
\begin{align}
a &= 1\\
b &= 2
\end{align}    &
\includegraphics{fig1}\\


\multicolumn{2}{r}{حالت سوم}\\

لیست معادلات
\begin{align}
a &= 1\\
b &= 2
\end{align}    &
\includegraphics{fig1}\\

\end{tabular}
\end{table}



\end{document}