f(3x)=(3x)-2

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Solution for f(3x)=(3x)-2 equation: 


Simplifying
f(3x) = (3x) + -2

Remove parenthesis around (3x)
f * 3x = (3x) + -2

Reorder the terms for easier multiplication:
3f * x = (3x) + -2

Multiply f * x
3fx = (3x) + -2

Reorder the terms:
3fx = -2 + (3x)

Solving
3fx = -2 + (3x)

Solving for variable 'f'.

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

Divide each side by '3x'.
f = -0.6666666667x-1 + 1

Simplifying
f = -0.6666666667x-1 + 1

Reorder the terms:
f = 1 + -0.6666666667x-1

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