f[x]=[2x]-2

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Solution for f[x]=[2x]-2 equation: 


Simplifying
f[x] = [2x] + -2

Multiply f * x
fx = [2x] + -2

Reorder the terms:
fx = -2 + [2x]

Solving
fx = -2 + [2x]

Solving for variable 'f'.

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

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

Simplifying
f = -2x-1 + 2

Reorder the terms:
f = 2 + -2x-1

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