\(\left\{{}\begin{matrix}\sqrt{2}x+2\sqrt{3}y=5\\3\sqrt{2}x-\sqrt{3}y=\frac{9}{2}\end{matrix}\right.\) \(\Leftrightarrow\left\{{}\begin{matrix}\sqrt{2}x+2\sqrt{3}y=5\\6\sqrt{2}x-2\sqrt{3}y=9\end{matrix}\right.\)
\(\Leftrightarrow\left\{{}\begin{matrix}7\sqrt{2}x=14\\\sqrt{2}x+2\sqrt{3}y=5\end{matrix}\right.\) \(\Leftrightarrow\left\{{}\begin{matrix}x=\sqrt{2}\\2\sqrt{3}y=3\end{matrix}\right.\)
\(\Leftrightarrow\left\{{}\begin{matrix}x=\sqrt{2}\\y=\frac{\sqrt{3}}{2}\end{matrix}\right.\)
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