2(f-1)=4

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Solution for 2(f-1)=4 equation: 


Simplifying
2(f + -1) = 4

Reorder the terms:
2(-1 + f) = 4
(-1 * 2 + f * 2) = 4
(-2 + 2f) = 4

Solving
-2 + 2f = 4

Solving for variable 'f'.

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

Add '2' to each side of the equation.
-2 + 2 + 2f = 4 + 2

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

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

Divide each side by '2'.
f = 3

Simplifying
f = 3

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