Respostas

2014-05-24T16:40:37-03:00
A resposta é:

3p-1=0
3p = 1
p = 1/3


b)

4p + 2 = 0
4p = 2

p = 1/2

3p - 1 = 0
3p = 1
p = 1/3


c)

5p - 25 = 0
5p = 25
p = 25/5
p = 5