Which system of equations is consistent and dependent?
A
5 x plus 4 y is equal to negative 30 3 x minus 9 y is equal to negative 18B
2 x plus 3 y is equal to negative 6 2 x plus 3 y is equal to negative 12C
3 x plus 2 y is equal to 3 6 x plus 4 y is equal to 6D
4 x plus 6 y is equal to 2 4 x plus 6 y is equal to 1