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已知:直线\( {l}_{1}\):\( x+y-3=0\)与直线\( {l}_{2}\):\( 2x-3y-1=0\)交于点P.
求直线\( {l}_{1}\)和\( {l}_{2}\)交点P的坐标.
参考答案:点P的坐标为\( (\mathrm{2,1})\)
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