Respostas

2013-11-13T00:08:18-02:00
X - 3x / 5 = 16
5x - 3x / 5 = 16
2x / 5 = 16
2x = 5 * 16
2x = 80
x = 80 / 2
x = 40.
2 5 2
2013-11-13T00:10:24-02:00