Odpowiedzi

2010-03-05T20:13:16+01:00
3x+7>16
3x> 16-7
3x> 9 / :3
x> 3

4x-5<-17
4x< -17 + 5
4x< -12 /:4
x< -3

12 1/2 + x >= 8
x>= 8 - 12 1/2
x>= -4 1/2
2010-03-05T20:13:41+01:00
3x>16-7
3x>9/3
x>

4x<-17+5
4x<-12/4
x>-3

x=>8-12 1/2
x<= -4.5
2010-03-05T20:14:03+01:00
3x+7>16
3x > 16 - 7
3x > 9
x > 9/3
x > 3
4x-5<-17
4x < - 17 + 5
4x < - 12
x < - 12/4
x < - 3
12 1/2 + x ≥ 8
x ≥ 8 - 12 i 1/2
x ≥ - 4 i 1/2