Respostas

  • Usuário do Brainly
2013-12-08T14:44:46-02:00
| - 2x + 5 | + 4 >= 8
- 2x + 5 + 4 >= 8
- 2x + 9 >= 8
- 2x >= 8 - 9
- 2x >= - 1 .(-1)
2x <= 1
x <= 1/2