If x and y are integers, is y an even integer?
(1) 2y - x = x^2 - y^2
(2) x is an odd integer.
The OA is the option A.
I don't know how to get an answer from statement (1). Experts, may you give me some help? Thanks.
(1) 2y - x = x^2 - y^2
(2) x is an odd integer.
The OA is the option A.
I don't know how to get an answer from statement (1). Experts, may you give me some help? Thanks.
