2006-06-15T19:34:25Z https://www.matematicasies.com/sistemas-lineal-2x2,162#comment16 2006-06-15T19:34:25Z

<p><img src='https://www.matematicasies.com/local/cache-TeX/db29329637395cab7e1d92b4c97c91a0.png' style="vertical-align:middle;" width="135" height="38" alt="x=9 ; \quad y=10" title="x=9 ; \quad y=10"></p>