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6 March, 23:30

Suppose n (a) = 7a + 4, determine a such that n (a) = 39.

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  1. 6 March, 23:35
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    a=5

    Step-by-step explanation:

    n (a) = 7a+4 / n (a) = 39

    39-4=35

    35/7=5

    n (5) = 39
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