6=3+f

Solution for 6=3+f equation:

Simplifying
6 = 3 + f

Solving
6 = 3 + 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.
6 + -1f = 3 + f + -1f

Combine like terms: f + -1f = 0
6 + -1f = 3 + 0
6 + -1f = 3

Add '-6' to each side of the equation.
6 + -6 + -1f = 3 + -6

Combine like terms: 6 + -6 = 0
0 + -1f = 3 + -6
-1f = 3 + -6

Combine like terms: 3 + -6 = -3
-1f = -3

Divide each side by '-1'.
f = 3

Simplifying
f = 3