Could I get some help on the attached problem? Thanks. The attachment has my work on it.
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The problem is in the beginning. Because if you take the logarithm of the two sides then the equation becomes: $\displaystyle \log(y)=\log(5\cdot 2^x+8)$ But there's no rule for $\displaystyle \log(a+b)=...?$.
Then how can the difficulty be avoided?
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