\begin{exercice}\label{2G4_systeme2}
Même consigne qu'à l'exercice \RefExercice{2G4_base_solution_graphique_systeme}.
\begin{center}
\begin{tikzpicture}[general, scale=0.8]
\draw [quadrillage](-4,-3) grid (5,3);
\axeX{-4}{5}{1}
\axeY{-3}{3}{1}
\origine
\draw [epais,color=J1] (-2,3)--(4,-3);
\draw [epais,color=A1] (5,1)--(-1,-3);
 \draw [epais,color=C1] (-1,-3)--(3,3);
\end{tikzpicture}
 \end{center}
 
 \begin{colenumerate}{3}
\item {$\left\lbrace \begin{array}{l}y=-x+1\\y=\dfrac{\TopStrut 2}{\BotStrut 3}x-\dfrac{7}{3}\end{array}\right.$}
\item {$\left\lbrace \begin{array}{l}y=\dfrac{\TopStrut 3}{\BotStrut 2}x-\dfrac{3}{2}\\y=-x+1\end{array}\right.$}
\item {$\left\lbrace \begin{array}{l}y=\dfrac{\TopStrut 2}{\BotStrut 3}x-\dfrac{7}{3}\\y=\dfrac{3}{2}x-\dfrac{3}{2}\end{array}\right.$}
\end{colenumerate}

\end{exercice}
