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August 20, 2014

August 20, 2014

Posted by **miah** on Tuesday, February 22, 2011 at 6:32pm.

- math -
**Helper**, Tuesday, February 22, 2011 at 6:42pmn = the number

n - 2 = subtract 2 from the number

2(n - 2) = double the difference

2(n - 2) + 7 = then add 7

2(n - 2) + 7 = 57

2n - 4 + 7 = 57

2n + 3 = 57

2n = 54

n = 27

The number is 27

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