10. Five mark example problems VI

Solve $\frac{1}{2x} + \frac{1}{4y} - \frac{1}{3z} = \frac{1}{4}$; $\frac{1}{x} = \frac{1}{3y}$; $\frac{1}{x} - \frac{1}{5y} + \frac{4}{z} = 2 \frac{2}{15}$

 

Answer:

 

$x =$

 

$y =$

 

$z =$