$\"\"$

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The exponetial equation is $\"\"$ .

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Apply logarithm on each side.

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$\"\"$

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Apply power property of logarithm : $\"\"$ .

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$\"\"$ .

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Apply property of logarithm : $\"\"$ .

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$\"\"$

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$\"\"$

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$\"\"$

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The value of $\"\"$ is $\"\"$ .