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April 18, 2014

April 18, 2014

Posted by **JJ** on Sunday, April 10, 2011 at 10:27pm.

- math -
**Ms. Sue**, Sunday, April 10, 2011 at 10:31pm1/2x - 7 = 21

1/2x = 21 + 7

1/2x = 28

x = 28/(1/2)

x = 28 * (2/1)

x = 56

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