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Algebra

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I need help with the following problems:


~23. 3^(x-6)=81 How do you solve this? I'm not sure what becomes of the -6.

~24. 11-6^x=3

  • Algebra -

    (x-6) log 3 = log 8
    x-6 = log 8 / log 3
    x = 6 + (log 8/log 3)

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