Hi

Ordered pairs  (-1, 3), (7,-1) 

Show that each pair is a solution of the equation:2y + x = 5

 2y + x = 5

 2*3 + -1 = 5   |Ordered pair (-1, 3)  works!

 2y + x = 5

 2*-1 + 7 = 5   |Ordered pair (7, -1)  works!

Others: (3,1), (-3,4) etc



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