Solve for : .

Answer and explanation

Correct answer: A.

  1. Step 1: Use the change of base formula on : .
  2. Step 2: Substitute into the equation: .
  3. Step 3: Combine like terms: .
  4. Step 4: Multiply by : .
  5. Step 5: Convert to exponential form: .
Answer
.
Why not the others: '' evaluates ; '' evaluates ; '' solves .

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