23-10-2015
Mathematics

contestada

4.72n - 0.1 = 8 + 0.67n

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Glauxeira Glauxeira

23-10-2015

4.72n - 0.1 = 8 + 0.67n

4.72n - 0.67n = 8 + 0.1

4.05n = 8.1

4.05n/4.05 = 8.1/4.05

n = 2

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