4-24=f

Solution for 4-24=f equation:

Simplifying
4 + -24 = f

Combine like terms: 4 + -24 = -20
-20 = f

Solving
-20 = f

Solving for variable 'f'.

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

Add '-1f' to each side of the equation.
-20 + -1f = f + -1f

Combine like terms: f + -1f = 0
-20 + -1f = 0

Add '20' to each side of the equation.
-20 + 20 + -1f = 0 + 20

Combine like terms: -20 + 20 = 0
0 + -1f = 0 + 20
-1f = 0 + 20

Combine like terms: 0 + 20 = 20
-1f = 20

Divide each side by '-1'.
f = -20

Simplifying
f = -20