Respostas

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  • Ambicioso
2014-02-21T10:31:01-03:00
Par Ordenado (x., y) ====> (x, -3) , logo o y = - 3
5x - 2y = 4 
5x - 2.(-3) = 4 
5x + 6 = 4 
5x = 4 - 6 
5x = -2
x = - 2/5