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Mathematics 13 Online
OpenStudy (anonymous):

Is (8, -1) a solution of the system, 2x + 3y = 13 x - y = 9

Parth (parthkohli):

Not seen questions like these lately. Well, you just plug in 8 for x, and -1 for y.

OpenStudy (anonymous):

Twice Eight minus three = Eight plus one =

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