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Materi : SPLDV

2/x + 1/y = 12
1/x + 1/y = 7
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1/x = 5
5x = 1
x = 1/5

2/x + 1/y = 12
2/(1/5) + 1/y = 12
2/1 × 5/1 + 1/y = 12
10 + 1/y = 12
1/y = 12 - 10
1/y = 2
2y = 1
y = 1/2

Hp = { 1/5 , 1/2 }