What is the solution to this system of equations?

x-2y= 15

2x+4y= -18

OA. x = 1, y=-6

OB. x= 1, y=-7

O c. x= 3, y= -6

OD. x= 3, y=-7

What is the solution to this system of equations?

x-2y= 15

2x+4y= -18

OA. x = 1, y=-6

OB. x= 1, y=-7

O c. x= 3, y= -6

OD. x= 3, y=-7