use the method of elimination by equating coefficients : \[\begin{array}{l}\frac{5 y}{2}-\frac{x...

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use the method of elimination by equating coefficients :
\[\begin{array}{l}\frac{5 y}{2}-\frac{x}{3}=8 \\\frac{y}{2}+\frac{5 x}{3}=12\end{array}\]
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