Question 970637
y=7/x-5

x=7/y-5, which is inverse.
Multiply both sides by (y-5)
x(y-5)=7

divide by x
y-5=7/x
add 5 to both sides

y=(7/x) +5   = (5x+7)/x

These are symmetrical around the y=x line.

{{{ graph (300,300,-10,10,-10,10,7/(x-5), 5+7/x,x)}}}