Respostas

2013-11-20T21:48:07-02:00
(0,5)^2x = 2^1-3x
(1/2)^2x = 2^1-3x
(2-¹)^2x = 2^1-3x
(2)^-2x = 2^1-3x
-2x = 1-3x
-2x+3x = 1
x = 1
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