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Mathematics 21 Online
OpenStudy (anonymous):

Solve the system of equations and enter the solution as an ordered pair. 9x - 3y = 63 7x - 3y = 45

OpenStudy (anonymous):

one minus two eq 2x=18 x=9; and so sub this in fst and u get y ie 81-3y=63 3y=18 y=6

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