Tentukan HP dari Sistem Persamaan Linear Dua Penyebut berikut dengan metode subsitusi :
3x - 4y = -6
3x + 4y = 0
3x - 4y = -6
3x + 4y = 0
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3x-4y=-6
3x=-6+4y jadi X=(-6+4y)/3 --> X= -2+4/3y
(pers 2)
3x+4y=0
[3 (-2+4/3y)] + 4y =0
(-6+4y) +4y =0 --> -6+8y=0
jadi 8y=6 -> Y=6/8
(MENCARI X)
3x-4y=-6
3x - 4 (6/8) = -6
3x - 3 = -6
3x = -3 jadi X=-1
JADI HP {-1, 6/8}