Which statements are true about the ordered pair (-1, 5) and the system of equations?
x+y=4
x-y =-6
select each correct answer.
a. the ordered pair (-1, 5) is a solution to the first equation because it makes the first equation true.
b. the ordered pair (-1, 5) is a solution to the second equation because it makes the second equation true.
c. the ordered pair (-1, 5) is not a solution to the system because it makes at least one of the equations false.
d. the ordered pair (-1,5) is a solution to the system because it makes both equations true.
answer!