Question 1121239
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<pre>
{{{1/x}}} - {{{1/(2x)}}} = {{{1/8}}}.


Multiply both sides by 8x. You will get


8 - 4 = x

x = 4.


<U>Check</U>.  {{{1/4}}} - {{{1/8}}} = {{{1/8}}}.   ! Correct !
</pre>

Solved.