28.6=4f+12.4

Solution for 28.6=4f+12.4 equation:

Simplifying
28.6 = 4f + 12.4

Reorder the terms:
28.6 = 12.4 + 4f

Solving
28.6 = 12.4 + 4f

Solving for variable 'f'.

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

Add '-4f' to each side of the equation.
28.6 + -4f = 12.4 + 4f + -4f

Combine like terms: 4f + -4f = 0
28.6 + -4f = 12.4 + 0
28.6 + -4f = 12.4

Add '-28.6' to each side of the equation.
28.6 + -28.6 + -4f = 12.4 + -28.6

Combine like terms: 28.6 + -28.6 = 0.0
0.0 + -4f = 12.4 + -28.6
-4f = 12.4 + -28.6

Combine like terms: 12.4 + -28.6 = -16.2
-4f = -16.2

Divide each side by '-4'.
f = 4.05

Simplifying
f = 4.05