Răspunsuri

2014-02-17T19:10:40+02:00
4x -3x - 12 > 2x - x + 1 - 3 ; x -12 > x - 2; x > - 2 + 12; x > 10.
2014-02-17T19:15:42+02:00
4x-3(x+4)>2X-(X-1)-3
4X-3X+12>2·2X-X-3
4X-3X·2X
>12+2·3
4X-1X>12+6
3X>18
X>
X>6