f(2x)=4(2x)-8

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Solution for f(2x)=4(2x)-8 equation: 


Simplifying
f(2x) = 4(2x) + -8

Remove parenthesis around (2x)
f * 2x = 4(2x) + -8

Reorder the terms for easier multiplication:
2f * x = 4(2x) + -8

Multiply f * x
2fx = 4(2x) + -8

Remove parenthesis around (2x)
2fx = 4 * 2x + -8

Multiply 4 * 2
2fx = 8x + -8

Reorder the terms:
2fx = -8 + 8x

Solving
2fx = -8 + 8x

Solving for variable 'f'.

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

Divide each side by '2x'.
f = -4x-1 + 4

Simplifying
f = -4x-1 + 4

Reorder the terms:
f = 4 + -4x-1

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