Respostas

2013-08-21T01:04:23-03:00
X = y+2

5(y+2) + y =
5y + 10 + y = 
6y = -10
y = -10/6

x - (-10/6) = 2
x + 10/6 = 2
x = 2 - 10/6

6x = 12 - 10
6x = 2
x = 2/6
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