Question

if (x-1)/(x)=20 then x=

Answer 1

(x-1)/(x)=20

20x=x-1

20x-x=-1

19x=-1

x=-(1/19)

Answer 2

`D:x\\eq0\\\\(x-1)/(x)=20\ \ \ \ |cross\ multiply\\\\20x=x-1\ \ \ \ |subtract\ x\ from\ both\ sides\\\\19x=-1\ \ \ \ \ \ |divide\ both\ sides\ by\ 19\\\\\boxed{x=-(1)/(19)}`