Which pair of lines intersects at (2,−1) ?

A
{2x+4y=0
3x+y=5
B
{4x+2y=0
3x+y=−1
C
{2x+4y=0
2x−y=0
D
{3x−y=5
2x+y=5

D

{3x−y=5
2x+y=5