Question 1040434
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<pre>
{{{8^(6x+1)}}} = {{{64}}}.

{{{8^(6x+1)}}} = {{{8^2}}}.   ( 64 = {{{8^2}}} ! )

Hence, 

6x+1 = 2.

Then 6x = 2-1 = 1  and  x = {{{1/6}}}.

<U>Answer</U>.  x = {{{1/6}}}.
</pre>

Solved.