How do I isolate the x in this expression? (ie. so x is by itself). In other words, how do I factor that fraction out?

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\(\ \Huge \left| \frac{1}{x} - \frac{1}{2} \right| < 0.2 \)

what are you trying to solve?

i think you must start with
\[|\frac{2-x}{2x}|<0.2\]

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