$\"\"$

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The equation is $\"\"$ .

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Rewrite the the equation.

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$\"\"$

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Definition of logarithmic functions $\"\"$ if and only if $\"\"$ .

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$ .

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$\"\"$

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The solution set is $\"\"$ or $\"\"$ .