f(3x)=2x-4

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Solution for f(3x)=2x-4 equation:


Simplifying
f(3x) = 2x + -4

Remove parenthesis around (3x)
f * 3x = 2x + -4

Reorder the terms for easier multiplication:
3f * x = 2x + -4

Multiply f * x
3fx = 2x + -4

Reorder the terms:
3fx = -4 + 2x

Solving
3fx = -4 + 2x

Solving for variable 'f'.

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

Divide each side by '3x'.
f = -1.333333333x-1 + 0.6666666667

Simplifying
f = -1.333333333x-1 + 0.6666666667

Reorder the terms:
f = 0.6666666667 + -1.333333333x-1

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