To solve for \( w \) in terms of \( u \), \( v \), and \( x \) from the equation
\[ x = \frac{1}{w} vu, \]
we can start by rearranging the equation. First, multiply both sides by \( w \):
\[ xw = vu. \]
Next, divide both sides by \( x \) (assuming \( x \neq 0 \)):
\[ w = \frac{vu}{x}. \]
Thus, the solution for \( w \) in terms of \( u \), \( v \), and \( x \) is:
\[ w = \frac{vu}{x}. \]