Respostas

2014-08-28T22:07:56-03:00
RESOLVENDO
A) 6N-2N=16
4N=16
N=16/4
N=4

B) 4N-2N=10+2
2N=12
N=12=2
N=6


2014-08-28T22:31:31-03:00
A)
6n=2n+16
6n-2n=16
4n=16
n=16/4
n=4

B)
4n-10=2n+2
4n-2n=2+10
2n=12
n=12/2
n=6