Question: Let f ( x , y ) = x y + 3 x - 9 y - 2 7 . Find all values o f

Let f(x,y)=xy+3x-9y-27. Find all values ofx such that f(x,x)=0.
x=
(Use a comma to separate answers as needed.)
Let f ( x , y ) = x y + 3 x - 9 y - 2 7 . Find

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