Three times one number minus a second is 8, and the sum of the numbers is 12. Which system of equations could be used to find the two numbers?

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Three times one number minus a second is 8, and the sum of the numbers is 12. Which system of equations could be used to find the two numbers?

Three times one number minus a second is 8, and the sum of the numbers is 12. Which system of equations could be used to find the two numbers?

A. 3 x space minus space y space equals space 8 space_x000D_ x y space equals space 12

B. 3 x space minus space y space equals space 8 space_x000D_ x space plus space y space equals space 12

C. y space minus space 3 x space equals space 8 space_x000D_ x y space equals space 12

D. y space minus space 3 x space equals space 8 space_x000D_ x space plus space y space equals space 12