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3x-2y = 8 (x1) 3x - 2y = 8
4x + y = 7 (x2) 8x + 2y = 14
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11x = 22
x = 2
Substitusi x:
4x + y = 7
8 + y = 7
y = -1
Himpunan penyelesaian = {2,-1}
pertama subtitusikan
3x - 2y = 8 I 1I 3x - 2y = 8
4x + y = 7 I 2I 8x +2y = 14 +
11x = 22
x = 2
kedua subtitusikan
4x + y = 7
y = 7 - 4x
y = 7 -4(2)
y = 7 - 8
y = -1
Himpunan penyelesaian Hp = { 2, -1}