Update README.md

Signed-off-by: Fabiana 🚀  Campanari <113218619+FabianaCampanari@users.noreply.github.com>

Author: FabianaCampanari

README.md

@@ -631,6 +631,17 @@ $x_1 + x_2 \leq 3$
 $x_2 \leq 2$  
 $x_1 \geq 0,\ x_2 \geq 0$
 
+$$
+\begin{cases}
+x_1 + 3x_2 \leq 7 \\
+2x_1 + 2x_2 \leq 8 \\
+x_1 + x_2 \leq 3 \\
+x_2 \leq 2 \\
+x_1 \geq 0, \quad x_2 \geq 0
+\end{cases}
+$$
+
+
 
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