Question

What should be subtracted from (x -y) to get Ry?
(a) (3y - x)
(b) (x-3y)
(c) (2y+x)
(d) (x +2y)​

Answer 1

you understand easily

Suppose 2+2 =4

then 4-2 =2

x-y - Ry = you get understand