Confusing Inequalities
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Confusing Inequalities

[From: ] [author: ] [Date: 12-06-01] [Hit: ]
......
solving 3-5x < 2x-11
my answer is x 4/7 but when i checked it on the internet it came up as x > 2

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3-5x<2x-11

or 3 - 5x - 3 < 2x - 11 -3
or - 5x < 2x - 14
or -5x - 2x <2x - 14 - 2x
or -7x < - 14
or -7x / -7 > -14 / -7 (Dividing with the negative number changes the sign)
or x>2

There you go. :-)

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No problemo :-)

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