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what is n in the problem 4n - 12 = 12 - 4n

Guest Sep 26, 2017
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4n - 12  = 12 - 4n      add  4n, 12 to both sides

 

24  = 8n        divide both sides by 8

 

3  = n

 

 

cool cool cool

CPhill  Sep 26, 2017

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