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11 July, 09:49

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

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  1. 11 July, 10:03
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    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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