solve the following inequalities? 3x-4<2+5x?

2009-03-23 10:52 am

回答 (7)

2009-03-23 10:56 am
✔ 最佳答案
////////
2x>-6
x>-3
2009-03-23 5:59 pm
- 6 < 2x

x > - 3
2009-03-23 6:20 pm
3x - 4 < 2 + 5x
3x - 5x < 2 + 4
-2x < 6
x > 6/-2
x > -3
2009-03-23 6:00 pm
3x-4 < 2+5x
=> 3x-5x <2+4
=> -2x < 6
=> x < -3
2009-03-23 5:58 pm
3x-4 < 2+5x

=> 3x-5x < 2+4

=> -2x < 6
=> x < - 6/2 = -3
2009-03-23 5:58 pm
3x - 4 < 2 + 5x
3x - 5x < 2 + 4
-2x < 6
x > -3

Done
2009-03-23 5:57 pm
Im not very good with the dircetion of the arrows, but I think this is right

3x - 4 < 2 + 5x
-4 < 2 + 2x
-6 < 2x
-3 < x

Hope its helps!


收錄日期: 2021-05-01 12:11:23
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20090323025244AAO8pDu

檢視 Wayback Machine 備份