tf(x)=x-4

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Solution for tf(x)=x-4 equation: 


Simplifying
tf(x) = x + -4

Multiply ft * x
ftx = x + -4

Reorder the terms:
ftx = -4 + x

Solving
ftx = -4 + x

Solving for variable 'f'.

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

Divide each side by 'tx'.
f = -4t-1x-1 + t-1

Simplifying
f = -4t-1x-1 + t-1

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

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