Respostas

  • Usuário do Brainly
2014-06-05T15:43:11-03:00
- 6k - 6 + 1 - 4k
- 6k - 6 + 1 - 4k = 0
- 6k - 4k = 6 - 1
- 10k = 5 . (- 1)
10k = - 5
k = - 5/10
k = - 1/2
2014-06-05T15:43:49-03:00
-6k-6+1-4k=0 
-10k=6-1
-10k=5  x(-1)
10k=-5
k=-5/10
k= -1/2