Odpowiedzi

2010-03-07T18:08:16+01:00
2(3-2x)-3<3(x-1)-1
6-4x-3<3x-3-1
-4x-3x<-3-1+3-6
-7x<-7/:(-7)
x>1

2010-03-07T18:17:05+01:00
2(3-2x)-3<3(x-1)-1
6 - 4x - 3 < 3x - 3 - 1
- 4x - 3x < - 3 - 1 + 3 - 6
- 7x < - 7
x > 1
2,4(x-1)-4,5<3(0,5-0,6x)
2,4x - 2,4 - 4,5 < 1,5 - 1,8x
2,4x + 1,8x < 1,5 + 2,4 + 4,5
4,2x < 8,4
x < 8,4/4,2
x < 2
5 \6x-6+x\3<rowne3\2
5/6x - 6 + x/3 ≤ 3/2
5x - 36 + 2x ≤ 9
7x ≤ 9 + 36
7x ≤ 45
x ≤ 45/7
2(x+2)\3-2-3x\9>rownex-1
6x + 12 - 6 - 3x ≥ 9x - 9
6x - 3x - 9x ≥ - 9 + 6 - 12
- 6x ≥ - 15
x ≤ 15/6
1\3(x-1\2)-5x-1\2<rownex-2\3(x+1)
x/3 - 1/6 - 5x - 1/2 ≤ - 2x/3 - 2/3
2x - 1 - 30x - 3 ≤ - 4x - 4
2x + 4x - 30x ≤ - 4 + 1 + 3
- 24x ≤ - 1
x ≥ 1/24
2010-03-07T18:22:03+01:00
1.
6-4x-3<3x-3-1
-4x-3x<-6+3-3-1
-7x<-7/:-7
x>1

2.
2,4x-2,4-4,5<1,5-1,8x
2,4x+1,8x<6,9+1,5
4,2x<8,4/:4,2
x<2

3.
5/6x-6+x/3<3/2/*6
5x-36+2x<9
7x<36+9
7x<45/:7
x<6 3/7

4.
6(x+2)-(2-3x)>-9
6x+12-2+3x>-9
9x>-9-10
9x>-19/:9
x>-2 1/9

5.
1/3x-1/6-5x-1/2<-2/3x-2/3
1/3x+2/3x-5x<1/6+1/2-2/3
-4x<1/6+3/6-4/6
-4x<0