This is a common mistake I notice in my O level A-Math essential concepts revision workshop.
Solve the following equation:
First, you must identify the type of question since different types of question require different strategies.
It's a different log-log question.
Strategy required: Change base.
Since we observe that there is a common term (log2 x),
Did you observe the fatal mistake (It's #7 Common mistake in Logarithm?
Remember to check for validity of answers.