The equivalent equation of the logarithmic equation is 
<h3>How to rewrite the equation?</h3>
The logarithmic equation is given as
Log_8(5x+4)=3x-4
Rewrite properly as:

Apply the following law of logarithm

So, we have:

Hence, the equivalent equation of the logarithmic equation is 
Read more about logarithms at:
brainly.com/question/450777
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