College Algebra

4 + 5^6x = 8
(a) Find the exact solution of the exponential equation in terms of logarithms.
x =

(b) Use a calculator to find an approximation to the solution rounded to six decimal places.
x =

can any body help me out here please?

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  1. 4 + 5^6x = 8
    I will assume you meant
    4 + 5^(6x) = 8
    5^(6x) = 4
    log both sides and use rules of logs
    6x log5 = log4
    x = log4/(6log5)

    b)
    x = appr .143559

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