Update README.md

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

Author: FabianaCampanari

README.md

@@ -229,9 +229,14 @@ The **graphical method** for solving simple linear programming (LP) problems inv
 
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-  - Greater than or equal to constraint:
+  - [Greater than or equal to constraint]():
+
+    $$a_{i1}x_1$$ + $$a_{i2}x_2 \geq b_i$$
+
+    ```latex
+    a_{i1}x_1 + a_{i2}x_2 \geq b_i
+    ```
 
-     #### $$a_{i1}x_1$$ + $$a_{i2}x_2 \geq b_i$$
 
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