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reemplazando:
24x - 5y = -5
24{ (18y-85)/6 } -5y = -5
4(18y -85) -5y= -5
72y - 340 -5y= -5
67y= -5 +340
67y= 335
y=335/67
y=5....reemplazamos en una de las ecuaciones:
24x - 5y = -5
24x - 5(5)= -5
24x= -5 +25
24x=20
x=20/24
x=5/6