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[" het "R={(9,b):a,b in z" and "b=2a-4" ...

[" het "R={(9,b):a,b in z" and "b=2a-4" I.If "],[(a,-2)in R" and "4,b^(2)" ) "ER" .Then,write the "],[" values of a and "b" ."]

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