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September 20, 2014

September 20, 2014

Posted by **Anonymous** on Tuesday, March 29, 2011 at 11:29am.

- algebra -
**Ms. Sue**, Tuesday, March 29, 2011 at 11:33amLet x equal the two sides of equal length.

2x + (x - 7) = 23

3x - 7 = 23

3x = 30

x = 10

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