Tolong dijawab nomor 1
Jawaban Terkonfirmasi
5/x -4/y = -1
5y-4x = -xy (dikali 2)
10y -8x = -2xy …. (1)
10/x + 6/y = 5
10y + 6x = 5xy …(2)
(1) … 10y – 8x = -2xy
(2) .. 10y +6x = 5xy
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-14x = -7xy
y = -14x/-7x = 2
(2) … 10y + 6x = 5xy
10(2) + 6x = 5x(2)
20 + 6x = 10x
4x = 20
x = 20/4
x = 5
HP = {5,2}