f(x)=8-X

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Solution for f(x)=8-X equation: 


Simplifying
f(x) = 8 + -1X

Multiply f * x
fx = 8 + -1X

Solving
fx = 8 + -1X

Solving for variable 'f'.

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

Divide each side by 'x'.
f = 8x-1 + -1x-1X

Simplifying
f = 8x-1 + -1x-1X

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