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4x - 4 + y = 5x -3y + 6
5x - 3y + 5 - 4x + 4 - y = 0
x - 4y + 9 = 0
x - 4y = -9 ....1
3x - 2y = 2x + 2
3x - 2y - 2x - 2 = 0
x - 2y - 2 = 0
x - 2y = 2 ....2x
persamaan 1 dan 2 dieliminasi
x - 4y = -9
x - 2y = 2
-2y = -11
y = 11/2
substitusi ke persamaan 2
x - 2y = 2
x - 2. 11/2 = 2
x - 11 = 2
x = 13
jadi, y = 11/2 dan x = 13
x-4y=-10 persamaan I
3x-2y=2x+2
x-2y=2 persamaan II
eliminasikan jadi
x-4y=-10
x-2y=2
hasil x= 14 dan y = 6