Which system of linear equations has the ordered pair (4, - 5) as a solution?
a. 2x-5y=-30 and 7x+4y=-19
b. 6x-y=-29 and 8x+3y=-17
c. 3x-2y=22 and 2x+97=-37
d. 5x-6y=49 and x+8y=-27
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