Which statements are true about the ordered pair(−1,−4) and the system of equations?
Equation one: x−y=3
Equation two: 7x−y=−3
Select each correct answer.

A-When ​(−1,−4)​ is substituted into the second equation, the equation is true.

B-The ordered pair ​(−1,−4)​ is a solution to the system of linear equations.

C-When ​(−1,−4)​ is substituted into the first equation, the equation is false.

D-The ordered pair ​(−1,−4)​ is not a solution to the system of linear equations.

E-When ​(−1,−4)​ is substituted into the second equation, the equation is false.

F-When ​(−1,−4)​ is substituted into the first equation, the equation is true.