selesaian dari sistem persamaan 2/x - 2/y = -3 dan 2/x + 6/y = 1 adalah ....
Matematika
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Pertanyaan
selesaian dari sistem persamaan 2/x - 2/y = -3 dan 2/x + 6/y = 1 adalah ....
2 Jawaban
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1. Jawaban Nik001
Mapel : Matematika
Bab : SPLDV
2/x - 2/y = -3
2/x + 6/y = 1
------------------ -
-8/y = -4
y = -8/-4
y = 2
2/x - 2/y = -3
2/x - 2/2 = -3
2/x - 1 = -3
2x = -3 + 1
2x = -2
x = 2/-2
x = -1
HP = { -1, 2 } -
2. Jawaban queenmahira
2/x -2/y = -3
2/x +6/y = 1
_______________ _
-8/y = -4
y = -8/-4
y = 2
2/x -2/y = -3 |x3|
2/x +6/y = 1 |x1|
6/x -6/y = -9
2/x +6y = 1
________________+
8/x = -8
x = 8/-8
x = -1
hp = {-1,2}