Solve -5 < x + 1 < 10 The solution is?

2008-09-18 10:28 am

回答 (7)

2008-09-18 11:16 am

✔ 最佳答案

-5 < x + 1 < 10
-5 - 1 < x < 10 - 1
-6 < x < 9

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2008-09-18 5:57 pm

-5<x+1<10
=>-6<x<9
=>xE(-6,9)

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2008-09-18 5:52 pm

- 6 < x < 9

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2008-09-18 5:40 pm

-5<X+1<10
-5-1<x+1-1<10-1
-6<x<9

so x can be : -5,-4,-3,-2,-1,0,1,2,3,4,5,6,7,8

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2008-09-18 5:36 pm

-6<x<9 ????????
i dunno if thats the answer, just a guess

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2008-09-18 5:35 pm

-5 < x + 1 < 10 =

-1 -5 < x + 1 - 1 < 10 - 1 =

-6 < x < 9

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2008-09-18 5:33 pm

-5<x+1<10
-5-1<x+1-1<10-1
-6<x<9

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