Question

if x-y/x+y =9. what is the value of x/(-y) ​

Answer 1

y=-x(x-9)/x-1 and x≠o

Answer 2

Answer:

x-y/x+y=9/1

1(x-y) =9(x+y)

x-y=9x+9y

9x-x=9y+y

8x=10y

x/-y=10/-8