109=f+82

Solution for 109=f+82 equation:

Simplifying
109 = f + 82

Reorder the terms:
109 = 82 + f

Solving
109 = 82 + 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.
109 + -1f = 82 + f + -1f

Combine like terms: f + -1f = 0
109 + -1f = 82 + 0
109 + -1f = 82

Add '-109' to each side of the equation.
109 + -109 + -1f = 82 + -109

Combine like terms: 109 + -109 = 0
0 + -1f = 82 + -109
-1f = 82 + -109

Combine like terms: 82 + -109 = -27
-1f = -27

Divide each side by '-1'.
f = 27

Simplifying
f = 27