12.6=f-3.2

Solution for 12.6=f-3.2 equation:

Simplifying
12.6 = f + -3.2

Reorder the terms:
12.6 = -3.2 + f

Solving
12.6 = -3.2 + 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.
12.6 + -1f = -3.2 + f + -1f

Combine like terms: f + -1f = 0
12.6 + -1f = -3.2 + 0
12.6 + -1f = -3.2

Add '-12.6' to each side of the equation.
12.6 + -12.6 + -1f = -3.2 + -12.6

Combine like terms: 12.6 + -12.6 = 0.0
0.0 + -1f = -3.2 + -12.6
-1f = -3.2 + -12.6

Combine like terms: -3.2 + -12.6 = -15.8
-1f = -15.8

Divide each side by '-1'.
f = 15.8

Simplifying
f = 15.8