himpunan penyelesaian dari 3/X + 4/y = 1 2/X - 1/y = 8

anggap 1/x = P dan 1/y = Q
3P + 4Q = 1
2P - Q = 8 → Q = 2P - 8, substitusikan
3P + 4(2P - 8) = 1
3P + 8P - 32 = 1
11P = 33
P = 3, substiusi pd salahsatu
Q = 2(3) - 8 = -2
maka
3 = 1/x → x = 1/3
-2 = 1/y → y = -1/2
(x, y) = (1/3, -1/2)