### Which of the following ordered pairs is a solution of the system?

7x – 7y= -21

-3x – 4y= 30

A. (-10, -5)

B. (-6, -3)

C. (-7, -1)

D. (-4, 4)

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7x – 7y= -21

-3x – 4y= 30

A. (-10, -5)

B. (-6, -3)

C. (-7, -1)

D. (-4, 4)

B. (-6, -3)