How do you get a variable out of the denominator? For example, if I wanted to isolate x and the equation was $${\frac{{\mathtt{1}}}{\left({\mathtt{3}}{\mathtt{\,\times\,}}{\mathtt{x}}\right)}}$$, how would I do so?
With just 1/(3x) you can't isolate it; however, 1/(3x) = 1/3 * (1/x).