Respostas

2014-05-12T12:05:39-03:00
(3/4)².(2/3)² x + 9½x=2².2³:128
9/16 . 4X/9 + 9X/2 = 2².2³:2^7
X/4 + 9X/2 = 2^5-7
X+18X / 4 = 2^-2
X + 18X = 2^-2 . 2^2
19X=1
X=1/19