Question 699756
let number be x
reciprocal = 1/x

reciprocal of 3
=1/3
(1/3)-x

(1/x) + (1/(x-3) = (8/x)

multiply equation by x(x-3)

(x-3) +x=8(x-3)

x-3+x=8x-24

6x=21
x=7/2