Using the formula 1/x=1/y-1/z, express x in terms of y and z.

x=  yz/(z-y)

Step-by-step explanation:

Simplify the equation as below:

Bring x on left hand side and y & z on the right hand side.

\frac{1}{x} = \frac{1}{y}+\frac{1}{z}\\

\frac{1}{x} = \frac{(z-y)}{yz}\\

x = \frac{yz}{(z-y)}

he will have 300 because he is really broke and 300 is in his imangine

step-by-step explanation: he ehe heh step by the thy