Use the elimination method by addition to find the solution for the following system.
A. x = -6, y = 1
B. x = -7, y = 1
C. x = -6, y = 0
D. The system is inconsistent.
Answer: C
Mathematics
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Add or subtract as indicated.(8x2y - 7x + 7y2) + (-4x2y - 7x + 6y2)
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Calculate.11.9 × 24.23 + 6.7 × 
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Mathematics