Odpowiedzi

2010-02-15T16:16:35+01:00
2x-3>x-2 | -x
x - 3 > -2 | +3
x > 1


5(x-3)<2x+7
5x - 15 < 2x + 7 | - 2x
3x - 15 < 7 | + 15
3x < 22 | :3
x = 7,(3)
2010-02-15T16:19:25+01:00
1.x>1
2.5x-15<2x+7
3x<22
x<22/3
2010-02-15T16:20:30+01:00
2x-3>x-2
2x-x>-2+3
x>1


5(x-3)<2x+7
5x-15<2x+7
5x-2x<7+15
3x<22
x<7⅓