Update README.md

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

Author: FabianaCampanari

README.md

@@ -1700,6 +1700,11 @@ v_1 &= 12, \quad v_2 = 18, \quad v_3 = 37
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 #### ***Conclusion:** Negative reduced costs $\( x_{12}$, $x_{31} \)$ indicate the [solution is **not optimal]()***.
+$(x_{12}, x_{31})$
+
+(x_{12}, x_{31})
+
+
 
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