f-3=0.5f

Solution for f-3=0.5f equation:

Simplifying
f + -3 = 0.5f

Reorder the terms:
-3 + f = 0.5f

Solving
-3 + f = 0.5f

Solving for variable 'f'.

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

Add '-0.5f' to each side of the equation.
-3 + f + -0.5f = 0.5f + -0.5f

Combine like terms: f + -0.5f = 0.5f
-3 + 0.5f = 0.5f + -0.5f

Combine like terms: 0.5f + -0.5f = 0.0
-3 + 0.5f = 0.0

Add '3' to each side of the equation.
-3 + 3 + 0.5f = 0.0 + 3

Combine like terms: -3 + 3 = 0
0 + 0.5f = 0.0 + 3
0.5f = 0.0 + 3

Combine like terms: 0.0 + 3 = 3
0.5f = 3

Divide each side by '0.5'.
f = 6

Simplifying
f = 6