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1(3x-6y=8). 3x-6y=8. Se suma y el resultado sería 15y=-10
y=-10/15
3X - 6Y = 8 (2)
Multiplicamos (1) por 2:
2X + 6Y = 12 (3)
3X - 6Y = 8 (4)
Sumamos (3) y (4):
5X = 20
X = 20/5 = 4
X = 4.
En (1) despejamos Y y sustituimos X:
X + 3Y = 6 (1)
Y = (6 - 4) / 3 = 2/3
Y = 2/3.