(4f-2)-(2f-1)=

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

Simplifying
(4f + -2) + -1(2f + -1) = 0

Reorder the terms:
(-2 + 4f) + -1(2f + -1) = 0

Remove parenthesis around (-2 + 4f)
-2 + 4f + -1(2f + -1) = 0

Reorder the terms:
-2 + 4f + -1(-1 + 2f) = 0
-2 + 4f + (-1 * -1 + 2f * -1) = 0
-2 + 4f + (1 + -2f) = 0

Reorder the terms:
-2 + 1 + 4f + -2f = 0

Combine like terms: -2 + 1 = -1
-1 + 4f + -2f = 0

Combine like terms: 4f + -2f = 2f
-1 + 2f = 0

Solving
-1 + 2f = 0

Solving for variable 'f'.

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

Add '1' to each side of the equation.
-1 + 1 + 2f = 0 + 1

Combine like terms: -1 + 1 = 0
0 + 2f = 0 + 1
2f = 0 + 1

Combine like terms: 0 + 1 = 1
2f = 1

Divide each side by '2'.
f = 0.5

Simplifying
f = 0.5