8
9(x - 3) < 4(x + 10)
9x - 27 < 4x + 40
9x - 4x < 40 + 27
5x < 67
x < 67/5
Added 6/18/2014 8:36:13 AM
This answer has been confirmed as correct and helpful.
Confirmed by
jeifunk [6/18/2014 8:39:49 AM]
8
3(x + 1) + 2(x + 2) > 0
3x + 3 + 2x + 4 > 0
5x + 7 > 0
5x > -7
x > -7/5
Added 6/18/2014 8:52:57 AM
This answer has been confirmed as correct and helpful.
8
3x - 5 < 4
3x < 4 + 5
3x < 9
x < 3
Added 6/18/2014 8:54:13 AM
This answer has been confirmed as correct and helpful.
Confirmed by
jeifunk [6/18/2014 8:58:07 AM]
8
x + 2 < 5
x < 5 - 2
x < 3;
x - 7 > -6
x > -6 + 7
x > 1
The solution for the inequality system (x + 2 < 5) (x - 7 > -6) is 1 < x < 3
Added 6/18/2014 8:56:00 AM
This answer has been confirmed as correct and helpful.
Confirmed by
jeifunk [6/18/2014 8:58:16 AM]
8
2x - 1 < 7
2x < 7 + 1
2x < 8
x < 4;
5x + 3 < 3
5x < 3 - 3
5x < 0
x < 0
The solution for 2x - 1 < 7 and 5x + 3 < 3 is x < 0
Added 6/18/2014 8:57:34 AM
This answer has been confirmed as correct and helpful.
Confirmed by
jeifunk [6/18/2014 8:58:32 AM]