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20-06-2017
Mathematics

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Determining the Value of an Unknown What is the value of n in the equation –(2n + 4) + 6 = –9 + 4(2n + 1)? n =

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crystal2017fighter crystal2017fighter

20-06-2017

-(2n + 4) + 6 = -9 + 4(2n + 1)
-2n - 4 + 6 = -9 + 8n + 4
-2n + 2 = -5 + 8n
2 = -5 + 10n
7 = 10n
n = 0.7

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