-3(-1-f)=-f+5

Solution for -3(-1-f)=-f+5 equation:

Simplifying
-3(-1 + -1f) = -1f + 5
(-1 * -3 + -1f * -3) = -1f + 5
(3 + 3f) = -1f + 5

Reorder the terms:
3 + 3f = 5 + -1f

Solving
3 + 3f = 5 + -1f

Solving for variable 'f'.

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

Add 'f' to each side of the equation.
3 + 3f + f = 5 + -1f + f

Combine like terms: 3f + f = 4f
3 + 4f = 5 + -1f + f

Combine like terms: -1f + f = 0
3 + 4f = 5 + 0
3 + 4f = 5

Add '-3' to each side of the equation.
3 + -3 + 4f = 5 + -3

Combine like terms: 3 + -3 = 0
0 + 4f = 5 + -3
4f = 5 + -3

Combine like terms: 5 + -3 = 2
4f = 2

Divide each side by '4'.
f = 0.5

Simplifying
f = 0.5