Hi,

-2x - 9y = -25

-4x - 9y = -23 



-2x - 9y = -25    

-(-4x - 9y = -23)   |subtracting the 2nd EQ from the 1st to eliminate y

-2x - 9y = -25    

4x + 9y =23)

   2x  = -2

     x = -1    and y = 3  ,  9y = 27 , y = 3

Pt (-1, 3) the solution for this system of Equations

CHECKING our answer***

Using -2x - 9y = -25

        2 -27 = -25



   

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