1 2x-3y-8=0; 4x-6y-9= 0
2 x-2y=0; 3x+4y-20=0
3 x+y=6 ; 2x+2y=12
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1 2x-3y-8=0; 4x-6y-9= 0
2 x-2y=0; 3x+4y-20=0
3 x+y=6 ; 2x+2y=12
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