Rewrite the system of inequalities, adding slack variables or subtracting surplus variables as needed.2x1 + 5x2 ? 9 x1 + 3x2 ? 3
A. 2x1 + 5x2 + s1 = 3
x1 - 3x2 - s2 = 9
B. 2x1 + 5x2 + s1 = 9
x1 + 3x2 - s1 = 3
C. 2x1 + 5x2 + s1 = 9
x1 + 3x2 - s2 = 3
D. 2x1 + 5x2 - s1 = 9
x1 + 3x2 + s2 = 3
Answer: C
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