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is -7 < 2x < -5 true?

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is -7 < 2x < -5 true?

by sanju09 » Sat Oct 15, 2011 2:51 am
For how many integers x is -7 < 2x < -5 true?
(A) None
(B) One
(C) Two
(D) Three
(E) Indefinite number
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by baladon99 » Sat Oct 15, 2011 2:57 am
One integer only. -3 . Sorry for the previous answer . (edited )
Last edited by baladon99 on Sat Oct 15, 2011 3:04 am, edited 1 time in total.
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by sl750 » Sat Oct 15, 2011 2:58 am
sanju09 wrote:For how many integers x is -7 < 2x < -5 true?
(A) None
(B) One
(C) Two
(D) Three
(E) Indefinite number
Divide by 2
-3.5<x<-2.5. Only one integer satisfies this condition x = -3
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by jayavignesh » Sat Oct 15, 2011 3:07 am
sanju09 wrote:For how many integers x is -7 < 2x < -5 true?
(A) None
(B) One
(C) Two
(D) Three
(E) Indefinite number
Just only one integer
Its -3
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