Respostas

2013-09-12T04:56:47-03:00
4x+2y=6
2x-6y=-52. .(-2)
4x+2y=6
-4x-4y= 104
-2y=110
-y=110/2
-Y=55. (-1)
y=55
4x+2y=6
4x+2.55=6
4x+110=6
4x=6-110
4X=104
x=104/4
x=26
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