Update README.md

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

Author: FabianaCampanari

README.md

@@ -1658,6 +1658,7 @@ Let \( u_1 = 0 \):
 
 #### **Result:**  
 
+$$
 \begin{align*}
 u_1 &= 0, \quad u_2 = 6, \quad u_3 = -3 \\
 v_1 &= 12, \quad v_2 = 18, \quad v_3 = 37