4(f-1)+(3-4f)=0

Solution for 4(f-1)+(3-4f)=0 equation:

Simplifying
4(f + -1) + (3 + -4f) = 0

Reorder the terms:
4(-1 + f) + (3 + -4f) = 0
(-1 * 4 + f * 4) + (3 + -4f) = 0
(-4 + 4f) + (3 + -4f) = 0

Remove parenthesis around (3 + -4f)
-4 + 4f + 3 + -4f = 0

Reorder the terms:
-4 + 3 + 4f + -4f = 0

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

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

Solving
-1 = 0

Couldn't find a variable to solve for.

This equation is invalid, the left and right sides are not equal, therefore there is no solution.