Find the inverse of the function y= -2/x-5

y= -2/x-5
y+5=-2/x
(y+5)/(-2)=1/x
x=(-2)/(y+5),
and now instead of x write y, and instead of y write x
y=(-2)/(x+5) 
y=(-2)/(x+5) is the inverse of the function y= -2/x-5