For which system of equations is (2, 2) a solution?
a.
–3x + 3y = 0
x + 6y = 10

b.
–2x + 5y = –6
4x – 2y = 4

c.
5x – 2y = –6
3x – 4y = 2

d.
2x + 3y = 10
4x + 5y = 18