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April 20, 2014

April 20, 2014

Posted by **Anonymous** on Tuesday, September 4, 2012 at 3:36pm.

- college math -
**Steve**, Tuesday, September 4, 2012 at 3:48pmclear parens:

3-x = 12x - 12

add x+12 to both sides:

3-x+x+12 = 12x-12 + x+12

15 = 13x

divide by 13

15/13 = x

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