Hi,

 8x+9y=24

-8x+ y=56

    10y = 80

      y = 8  and x = -6  (-8x = 48, x = -6)

Ordered pair (-6,8) the solution for this system of equations

CHECKING our Answer***

 8*(-6) + 9(8) = -48 + 72 = 24 

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