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2/x + 3/y = 0 ...(2)
persamaan (1) kalikan 2 lalu kurangi dgn persamaan (2)
2/x + 2/y = 2
2/x + 3/y = 0
__________ -
-1/y = 2
y = -1/2
x = 1/3
ya soal tersebut merupakan sistem persamaan linear 2 variabel