Solve.xy = 42x + y = 13

A. x = 7, y = -6; x = 6, y = -7
B. x = 7, y = 6; x = 6, y = 7
C. x = -7, y = -6; x = -6, y = -7
D. x = -7, y = 6; x = -6, y = 7


Answer: B

Mathematics

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