whats the solution to -2x-5<x+1<10x-10?
回答 (6)
2009-06-27 10:08 am
✔ 最佳答案
-2x-5<x+1<10x-10First we solve
-2x-5<x+1
Transporting '−2x' to the right side and 1 to the left side, we have
−5−1 < x+2x
or −6<3
or x >−2
Again
x+1<10x-10
Transporting 'x' to the right side and −10 to the left side, we have
1+10 <10x−x
11< 9x
or x> 11/9
Since x >−2 and x> 11/9 Hence answer is x> 11/9
2009-06-27 9:43 pm
x > 11/9
2009-06-27 5:50 pm
- 6 < 3x and 11 < 9 x
x > - 2 and x > 11/9
x > 11/9
x > - 2 and x > 11/9
x > 11/9
2009-06-27 5:01 pm
x+1<10x-10= -9x<-11= x<11/9
-2x-5<x+1= -6<3x= -2<x
-2<x<11/9
-2x-5<x+1= -6<3x= -2<x
-2<x<11/9
2009-06-27 5:00 pm
-2x-5<x+1
-6<3x
x>2
&
9x>11
x>2 is the answer.
-6<3x
x>2
&
9x>11
x>2 is the answer.
2009-06-27 5:00 pm
-2x-5<x+1<10x-10
-5<3x+1<12x-10
0<3x+6<12x-5
6<9x-5
9 x>11
x>11/9
-5<3x+1<12x-10
0<3x+6<12x-5
6<9x-5
9 x>11
x>11/9
收錄日期: 2021-05-01 12:35:03
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