f+-4=2

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Solution for f+-4=2 equation: 


Simplifying
f + -4 = 2

Reorder the terms:
-4 + f = 2

Solving
-4 + f = 2

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 + f = 2 + 4

Combine like terms: -4 + 4 = 0
0 + f = 2 + 4
f = 2 + 4

Combine like terms: 2 + 4 = 6
f = 6

Simplifying
f = 6

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