If (x,0) = (0,y) then (x,y) is.

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1 + 4 =
Solve this simple math problem and enter the result. E.g. for 1+3, enter 4.

If (x,0) = (0,y) then (x,y) is:

(0,1)

(0,0)

(1,1)

(1,0)