f-27=4f

Solution for f-27=4f equation:

Simplifying
f + -27 = 4f

Reorder the terms:
-27 + f = 4f

Solving
-27 + f = 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.
-27 + f + -4f = 4f + -4f

Combine like terms: f + -4f = -3f
-27 + -3f = 4f + -4f

Combine like terms: 4f + -4f = 0
-27 + -3f = 0

Add '27' to each side of the equation.
-27 + 27 + -3f = 0 + 27

Combine like terms: -27 + 27 = 0
0 + -3f = 0 + 27
-3f = 0 + 27

Combine like terms: 0 + 27 = 27
-3f = 27

Divide each side by '-3'.
f = -9

Simplifying
f = -9