9+f-2=f

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Solution for 9+f-2=f equation: 


Simplifying
9 + f + -2 = f

Reorder the terms:
9 + -2 + f = f

Combine like terms: 9 + -2 = 7
7 + f = f

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

Combine like terms: f + -1f = 0
7 + 0 = f + -1f
7 = f + -1f

Combine like terms: f + -1f = 0
7 = 0

Solving
7 = 0

Couldn't find a variable to solve for.

This equation is invalid, the left and right sides are not equal, therefore there is no solution.

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