7(3f+6)-f=

Solution for 7(3f+6)-f= equation:

Simplifying
7(3f + 6) + -1f = 0

Reorder the terms:
7(6 + 3f) + -1f = 0
(6 * 7 + 3f * 7) + -1f = 0
(42 + 21f) + -1f = 0

Combine like terms: 21f + -1f = 20f
42 + 20f = 0

Solving
42 + 20f = 0

Solving for variable 'f'.

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

Add '-42' to each side of the equation.
42 + -42 + 20f = 0 + -42

Combine like terms: 42 + -42 = 0
0 + 20f = 0 + -42
20f = 0 + -42

Combine like terms: 0 + -42 = -42
20f = -42

Divide each side by '20'.
f = -2.1

Simplifying
f = -2.1