$\"\"$

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The exponential equation is $\"\"$

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Rewrite the above equation,

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$\"\"$

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Apply logarithm on each side.

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$\"\"$

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

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$\"\"$

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$\"\"$

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Therefore, the solution is $\"\"$ .

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$\"\"$

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The solution set is $\"\"$ .