$\"\"$

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The equation is $\"italic$

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Definition of logarithmic functions $\"y$ if and only if $\"x$

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$\"x$

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$\"x$ .

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$\"\"$

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Check:

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Substitute $\"x$ in original equation $\"italic$ .

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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Above statement is true.

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$\"\"$

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The solution set is $\"open$ .