Question

Which is a solution of the equation?

2x – y = 5



A.
7


B.
(1, 2)


C.


(3, –1)


D.


(2, –1)

Answer 1

yes

Answer 2

I think it is D

Answer 3

2(2)-y=5
4-y=5
-y=5-4
y=-1

Answer 4

(3,-1) is different from (1,-3)