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July 28, 2015

Homework Help: math-logic(shsat)

Posted by samantha on Friday, September 23, 2011 at 9:06pm.

Question:

If 15 - 2x < 7, then for all possible values of x that make the inequality true,
(a) x<8
(b) x>8
(c) x>4
(d) x<4
(e) x>1/4

Answer:

i chose the answer (d) but the answer of the book said (c).

i understand where they are coming from we have to change the inequality sign due to the division we do. but i don't understand the logic. can someone kindly, please, explain the logic?

-Great Thank in advance =)

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