f(x)=ln(4x+9)

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Solution for f(x)=ln(4x+9) equation: 


Simplifying
f(x) = ln(4x + 9)

Multiply f * x
fx = ln(4x + 9)

Reorder the terms:
fx = ln(9 + 4x)
fx = (9 * ln + 4x * ln)
fx = (9ln + 4lnx)

Solving
fx = 9ln + 4lnx

Solving for variable 'f'.

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

Divide each side by 'x'.
f = 9lnx-1 + 4ln

Simplifying
f = 9lnx-1 + 4ln

Reorder the terms:
f = 4ln + 9lnx-1

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