SOLUTION: Log2 (3^(x) -8)= 2-x
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Question 1146649: Log2 (3^(x) -8)= 2-x
Answer by greenestamps(13200) (Show Source): You can put this solution on YOUR website!
In general, an equation like this can only be solved approximately, by numerical methods.
However, a bit of studying of this equation can reveal a simple solution.
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The expression on the left is positive. So if there is a nice whole number solution to the problem, x must be at least 2. So try x=2.
ANSWER: x=2
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