Choose the equivalent system of linear equations that will produce the same solution as the one given below.


6x + 2y = −6

3x − 4y = −18

A12x + 4y = −12

15x = −30

B8x + 4y = −4

14x = −10

C6x − 8y = −36

−6y = −42

D6x + y = 15

3y = 9