(x+y)/(x-y) = 7/1 -> x+y = 7x - 7y -> 8y = 6x -> x/y = 8/6 = 4/3.
(x+y)/(x-y) = 7/1 -> x+y = 7x - 7y -> 8y = 6x -> x/y = 8/6 = 4/3।