kendrakendra kendrakendra

28-03-2017
Mathematics

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2\3 a certain number reduced by 11 is equal to 4 more than that number. Find the number (show work)

Respuesta :

30-03-2017

11 - 2/3n = 4 + n
n + 2/3n = 7
3n^2 + 2 = 21n
3n^2 - 21n + 2 = 0
n = 6.903 , n = 0.09657

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