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19-05-2018
Mathematics

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What is n in the equation 9n + 2/3 n = 4

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19-05-2018

So that they have the same denominator you can rewrite 9n as (27/3)n

(27/3)n + (2/3)n = 4
(29/3)n = 4

Multiply both sides by 3/29 to isolate variable n.

n = 4(3/29)

n = 12/29

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