f(x)=3lnx

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Solution for f(x)=3lnx equation: 


Simplifying
f(x) = 3lnx

Multiply f * x
fx = 3lnx

Solving
fx = 3lnx

Solving for variable 'f'.

Move all terms containing f to the left, all other terms to the right.

Divide each side by 'x'.
f = 3ln

Simplifying
f = 3ln

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