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2/x = -3/y
2y = -3x
y = -3x/2 ......Persamaan I
1/x - 1 / y = 5.....> masukan y= -3x/2
1/x - 1 /(-3x/2) = 5
1 /x + 2 /3x = 5
3 /3x + 2/3x = 5
5 / 3x = 5
15x = 5
x = 1/3
y = - 3x /2 = - 3 . (1/3) /2 = - 1/2
jadi ... x = 1/3....y = - 1/2