5x+4y-4=0, x-20=12y by cross multiplication
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5x+4y-4=0
=5×2+4×3-4=0
=10+12-4=0
=22-4=0
=18=0 IT IS NOT TRUE..............
x-20=12y
=2-20=12×3
=18=36 IT IS NOT TRUE..............
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