Answer:
B
Explanation:
-3x + 3y = -18
-x + y = -6
-2x + 2y = -12
5x - 2y = 9
Adding,
3x = -3
x = -1
y = -6 +x = -6 - 1 = -7
Answer: B. (-1, -7)
4.3m questions
5.6m answers