Odpowiedzi

2010-03-01T15:02:09+01:00
4x-7<2x+3
4x-2x<7+3
2x<10 |:2
x<5

-x+4>-3(x-1)
-x+4>3x+3
-x+3x>-4+3
2x>-1 |:2
x>-1/2

5(2x-3)-6x>3(4x-3)
10x-15-6x>12x-9
10x-6x+12x>15-9
16x>6 |:6
x>6/16
8 2 8
2010-03-01T15:07:21+01:00
4x - 7 < 2x + 3
4x - 2x < 3 + 7
2x < 10 /:2
x< 5
-x +4 > -3(x+1)
-x + 4 > -3x -3
-x +3x > -3 -4
2x> -7 /:2
x > -3,5
5(2x -3) - 6x > 3 (4x -3 )
10x - 15 - 6x > 12x - 9
10x -6x -12x > -9 +15
-8x > 6 /: -8
x> -6/8
7 3 7
2010-03-01T16:55:10+01:00
4x-7<2x+3/+7
4x<2x+10/-2x
6x<10:6
x< 1/16


3 3 3