SOLUTION: How do I solve the equation: $log_{2x}216=x$
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Question 905299: How do I solve the equation: $log_{2x}216=x$
Answer by Theo(13342) (Show Source): You can put this solution on YOUR website!
this can be solved graphically.
i'm not sure if it can be solved algebraically.
at least i don't know how to do it.
by graphing i get x = 3 which satisfies the equation because:
becomes when
you can confirm the solution is correct because the law of logs states:
if and only if
by that law:
if and only if
when , becomes which becomes which is true.
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