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3 March, 08:56

X=7^y how can you rewrite this equation in y = form?

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  1. 3 March, 09:00
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    y = lnx / ln 7.

    Step-by-step explanation:

    x = 7^y

    Take logarithms of both sides:

    ln x = ln 7^y

    ln x = y ln 7 (because ln a^b = b ln a. One of the Laws of Logarithms).

    y = lnx / ln 7.
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