Question 915869
<pre>
{{{1/x}}}{{{""=""}}}{{{expr(1/2)x}}}

Multiply both sides by LCD = 2x

{{{2x*expr(1/x)}}}{{{""=""}}}{{{2x*expr(1/2)x}}}

{{{2cross(x)*expr(1/cross(x))}}}{{{""=""}}}{{{cross(2)x*expr(1/cross(2))x}}}

{{{2}}}{{{""=""}}}{{{x^2}}}

{{{""+-sqrt(2)}}}{{{""=""}}}{{{x}}}

Edwin</pre>