$\"\"$

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The equation is $\"\"$ .

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

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$\"\"$

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Apply Property of equality for logarithmic functions $\"\"$ .

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$\"\"$

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$\"\"$

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Multiply each side by n.

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$\"\"$

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$\"\"$

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$\"\"$ (Divide each side by 7)

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$\"\"$ (Divide: $\"\"$ ) $\"\"$

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CHECK:-

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To check the solution, substitute $\"\"$ in $\"\"$ .

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$\"\"$

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

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$\"\"$

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Apply Property of equality for logarithmic functions $\"\"$ .

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$\"\"$

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$\"\"$

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The solution is true. $\"\"$

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The value of $\"\"$ .