Question

Which ordered pair is the solution to the system of equations?

{x+y=−1
{3x−y=21

Answer 1

A. (5, −6)(5, −6)

B. (7, −8)(7, −8)

C. (10, −11)(10, −11)

D. (5.5, −6.5)

Answer 2

1.(5, −6)
2.(5, 3)
3.(4, −2)
4.(−9, 5)
5.False