2f-f-4=5

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Solution for 2f-f-4=5 equation: 


Simplifying
2f + -1f + -4 = 5

Reorder the terms:
-4 + 2f + -1f = 5

Combine like terms: 2f + -1f = 1f
-4 + 1f = 5

Solving
-4 + 1f = 5

Solving for variable 'f'.

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

Add '4' to each side of the equation.
-4 + 4 + 1f = 5 + 4

Combine like terms: -4 + 4 = 0
0 + 1f = 5 + 4
1f = 5 + 4

Combine like terms: 5 + 4 = 9
1f = 9

Divide each side by '1'.
f = 9

Simplifying
f = 9

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