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y-5 per 11-5 = x-3 per 7-3
y-5 per 6 = x-3 per 4 (dikalikan silang)
(y-5).4 = (x-3).6
4y-20 = 6x-18
4y-6x = 20-18
4y-6x = 2 (dibagi 2 semua)
2y-3x =0.