f-4-5=-9

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Solution for f-4-5=-9 equation: 


Simplifying
f + -4 + -5 = -9

Reorder the terms:
-4 + -5 + f = -9

Combine like terms: -4 + -5 = -9
-9 + f = -9

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

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

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

Solving
f = 0

Solving for variable 'f'.

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

Simplifying
f = 0

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