For each equation, find the missing value in the ordered pairs.3x + y = -20( , 7), ( , 40),( , -20)
A. (-9, -9), (-20, 40), (0, -20)
B. (-9, 7), (-20, 40),(0, -20)
C. (-9, 7), (-20, -40), (0, 40)
D. (-9, 7), (-20, -20), (0, -20)
Answer: B
Mathematics
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