Respostas

  • Usuário do Brainly
2013-10-12T12:46:33-03:00
x/3 - x/2 - 1/4 =
mmc de (3,2,4)
3,2,4/2
3,1,2/2
3,1,1/3
1,1,1

(2x2x3) = 12

4x/12 - 6x/12 - 3/12 =
(elimine os denominadores)
4x - 6x - 3 =
- 2x = 3 .(-1)
2x = - 3
x = -3 / 2
1 5 1