Which ordered pair (r, s) is the solution to the given system of equations? 5 r plus 7 s is equal to 61 negative 5 r plus 7 s is equal to negative 19
A
open paren 1 comma negative 2 close parenB
open paren 3 comma 8 close parenC
open paren 8 comma 3 close parenD
open paren 1 comma 8 close paren