Respostas

2013-09-04T22:11:38-03:00
X - 2/3   \geq 5x + 1/9
x - 2/3 >/ 5x + 1/9
- 2/3 - 1/9 >/ 5x - x
    - 6 - 1 >/ 4x
        9

-7/9 >/ 4x
x >/ -7/9/4
x >/ -7/9 . 1/4
x >/ -7/36
2 3 2