Respostas

2013-09-24T00:57:10-03:00
X - (1/5)x = 32
x - x/5 = 32
5x - x = 160
4x = 160
 x = 40 
6 4 6
2013-09-24T00:57:23-03:00
X - x : 5 = 32
40 - 40 : 5 = 32
40 - 8 = 32
5 4 5