f=9+2f

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Solution for f=9+2f equation: 


Simplifying
f = 9 + 2f

Solving
f = 9 + 2f

Solving for variable 'f'.

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

Add '-2f' to each side of the equation.
f + -2f = 9 + 2f + -2f

Combine like terms: f + -2f = -1f
-1f = 9 + 2f + -2f

Combine like terms: 2f + -2f = 0
-1f = 9 + 0
-1f = 9

Divide each side by '-1'.
f = -9

Simplifying
f = -9

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