Odpowiedzi

2009-04-21T14:06:26+02:00
-2(x-1)>3x+2
-2x+2>3x+2 +2x
2>5x+2 -2
0>5x :5
0>x
2009-04-21T14:07:34+02:00
-2x+2>3x+2 |+2x
2>5x+2 |-2
0>5x |/5
x=0
2009-04-21T14:07:47+02:00
-2x+2>3x+2|+2x
2>5x+2|-2
0>5x|/5
x>0
2009-04-21T14:11:07+02:00
-2(x-1)>3x+2
-2x+2>3x+2
-2x-3x>+2-2
-5x>0