0.5-2=f

Solution for 0.5-2=f equation:

Simplifying
0.5 + -2 = f

Combine like terms: 0.5 + -2 = -1.5
-1.5 = f

Solving
-1.5 = 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.
-1.5 + -1f = f + -1f

Combine like terms: f + -1f = 0
-1.5 + -1f = 0

Add '1.5' to each side of the equation.
-1.5 + 1.5 + -1f = 0 + 1.5

Combine like terms: -1.5 + 1.5 = 0.0
0.0 + -1f = 0 + 1.5
-1f = 0 + 1.5

Combine like terms: 0 + 1.5 = 1.5
-1f = 1.5

Divide each side by '-1'.
f = -1.5

Simplifying
f = -1.5