Algebra-2

Question Analysis
This problem assesses the ability to solve exponential equations using substitution and algebraic manipulation.

Key Concept Explanation
The equation involves an exponential term with a variable exponent. By substituting , the equation can be transformed into a simpler form, which can then be solved for and subsequently for .

Step-by-step Solution
1. Let . Then .
2. Substitute into the equation: .
3. Simplify the equation: .
4. Solve for

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