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7x - 3y = 17 ║ x5
3x + 5y = 1 ║ x3
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35x - 15y = 85
9x + 15y = 3 +
-------------------------------
44x = 88
x = 88/44 = 2
Substitusikan x ke persamaan 3x + 5y = 1
3(2) + 5y = 1
5y = 1 - 6 = -5
y = -5/5 = -1
ATAU
Substitusikan x ke persamaan 7x - 3y = 17
7(2) - 3y = 17
3y = 14 - 17 = -3
y = -3/3 = -1
Sehingga, didapat himpunan penyelesaian sebagai berikut:
Hp = {(2,-1)}