Rewrite the system of inequalities, adding slack variables or subtracting surplus variables as needed. x1 + x2 ? 182x1 + 4x2 ? 27
A. x1 + x2 + s1 = 27
2x1 + 4x2 - s2 = 18
B. x1 + x2 - s1 = 18
2x1 + 4x2 + s2 = 27
C. x1 + x2 + s1 = 18
2x1 + 4x2 + s2 = 27
D. x1 + x2 + s1 = 18
2x1 + 4x2 - s2 = 27
Answer: D
Mathematics
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