Question

If x = -2y then value of x-y

Answer 1

Given : x=-2y

To find :
x-y
(Putting value)
-2y-y
=-3y


Thus,
x-y=(-3y)



Hope it will help u...

Answer 2

if x=-2y then by using sub method
To find x-y
put X=-2y
=x-y=-2y-y=-3y