Use the graph to state the solution for the system. x – y = 4 (line a) x + y = 4 (line b) A. (4, 0)
B. (0, 4) C. (0, –4) D. (–4, 0)
1 answer:
X - y = 4
-y = 4 + x
y = -4 -x
x + y = 4
So, it's B
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