Respostas

2014-03-29T10:25:12-03:00
4x - 3 = 99
4x = 99 + 3
4x = 102
x = 102 
        4

x = 25,5 
2 5 2
2014-03-29T10:25:45-03:00
4x - 3 = 99
4x = 99+3
4x = 102
x = 25,5

Hehe ;D 
2 4 2