Respostas

2014-06-04T07:33:12-03:00
4x-1=3(x-1)
4x-1 = 3x-3
4x-3x=-3+1
x = -2
2014-06-04T09:42:21-03:00
4x-1 = 3(x-1)
4x-1 = 3x - 3
4x - 3x = -3 + 1
x = -2

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