Respostas

2013-08-07T22:34:41-03:00
4(3x+2) -2 (4x+6 ) > 2 - ( x+3) + 6 x
12x+8x-12 
> -2x-6+6x
4x- 4 > 4x -6
4x-4x-4+6>0
2>0 
2013-08-07T22:38:21-03:00
4(3x+2) -2 (4x+6 ) > 2 - ( x+3) + 6 x
12x + 8 -8x - 12 > 2 - x + 3 + 6x
12x - 8x - x + 6x +8 - 12 > 2 + 3
4x - 5x -4 > 5
1x - 4 > 5