diff --git a/koncept/chapter2-7.tex b/koncept/chapter2-7.tex
index ec8dd1dd4..93a65ee3f 100644
--- a/koncept/chapter2-7.tex
+++ b/koncept/chapter2-7.tex
@@ -200,9 +200,9 @@ \subsection{Branthet $S$ och inre resistans $R_i$}
 %% k7per Prototypical solutions for unit explanations.
 \noindent%
 \begin{tabularx}{\linewidth}{@{} *1{>{\hsize=.7\linewidth}X} X@{}}
-\begin{align*}
+\begin{equation*}
 \text{Branthet}\quad S = \dfrac{\Delta I_a}{\Delta U_{g1}} 
-\end{align*}
+\end{equation*}
 &
 \begin{equation*}
 \begin{aligned}
@@ -210,7 +210,7 @@ \subsection{Branthet $S$ och inre resistans $R_i$}
 \Delta I_a\ [mA]\\
 U_{g1}\ [V]
 \end{aligned}
-\end{equation*}
+\end{equation*}\\
 \end{tabularx}
 %%
 Bild~\ssaref{fig:BildII2-34} visar den inre resistansen.
@@ -221,15 +221,15 @@ \subsection{Branthet $S$ och inre resistans $R_i$}
 %% k7per Prototypical solutions for unit explanations.
 \noindent%
 \begin{tabularx}{\linewidth}{@{} *1{>{\hsize=.7\linewidth}X} X@{}}
-\begin{align*}
+\begin{equation*}
 \text{Inre resistans}\ R_i = \dfrac{\Delta U_a}{\Delta I_a}
-\end{align*}
+\end{equation*}
 &
 \begin{equation*}
 \begin{aligned}
 R_i\ [k \ohm]\\ \Delta U_a\ [V]\\ \Delta I_a\ [mA]
 \end{aligned}
-\end{equation*}
+\end{equation*}\\
 \end{tabularx}
 %%
 \mediumfig{images/cropped_pdfs/bild_2_2-34.pdf}{Inre resistans}{fig:BildII2-34}