The linear combination method is applied to a system of equations as shown.

4(.25x + .5y = 3.75) → x + 2y = 15

(4x – 8y = 12) → x – 2y = 3

2x = 18



What is the solution of the system of equations?

a. (1,2)
b. (3,9)
c. (5,5)
d. (9,3)