Answer:
B. (-3, -6)
Explanation:
(1) 6x - 4y = 6
(2) -6x + 3y = 0 Add (1) and (2)
-y = 6 Multiply each side by -1
y = -6 Substitute in (2)
-6x +3(-6) = 0 Remove parentheses
-6x – 18 = 0 Add 18 to each side
-6x = 18 Divide each side by -6
x = -3
The solution is (-3, -6).