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2x - y = 4 | 2 | 4x -2y = 8
3x -2y = 5 | 1 | 3x -2y = 5 -
x = 3
subtitusi:
2x - y = 4
2.3 -y = 4
6 -y = 4
-y = 4-6
-y = -2
y = 2
Hp = {3,2}