{x2-xy-2y2=0,2x+y=3

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{x2-xy-2y2=0,2x+y=3{x2-xy-2y2=0,2x+y=3{x2-xy-2y2=0,2x+y=3

{x2-xy-2y2=0,2x+y=3
{x2-xy-2y2=0,2x+y=3

{x2-xy-2y2=0,2x+y=3