f=8-f

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Solution for f=8-f equation: 


Simplifying
f = 8 + -1f

Solving
f = 8 + -1f

Solving for variable 'f'.

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

Add 'f' to each side of the equation.
f + f = 8 + -1f + f

Combine like terms: f + f = 2f
2f = 8 + -1f + f

Combine like terms: -1f + f = 0
2f = 8 + 0
2f = 8

Divide each side by '2'.
f = 4

Simplifying
f = 4

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