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Solve for y, 3xy+x=9 Then find f(x) when x=2

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3xy+x=9
3xy = 9 - x
y = 3/x - 1/3

if x = 2
f(2) = 3/2 - 1/3
f(2) = 9/6 - 2/6
f(2) = 7/6
f(2) = 1 1/6
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