(3f-6)=(9f)

Solution for (3f-6)=(9f) equation:

Simplifying
(3f + -6) = (9f)

Reorder the terms:
(-6 + 3f) = (9f)

Remove parenthesis around (-6 + 3f)
-6 + 3f = (9f)

Solving
-6 + 3f = (9f)

Solving for variable 'f'.

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

Add '(-9f)' to each side of the equation.
-6 + 3f + (-9f) = (9f) + (-9f)

Combine like terms: 3f + (-9f) = -6f
-6 + -6f = (9f) + (-9f)

Combine like terms: (9f) + (-9f) = 0
-6 + -6f = 0

Add '6' to each side of the equation.
-6 + 6 + -6f = 0 + 6

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

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

Divide each side by '-6'.
f = -1

Simplifying
f = -1