2(f+3)=12*7

Solution for 2(f+3)=12*7 equation:

Simplifying
2(f + 3) = 12 * 7

Reorder the terms:
2(3 + f) = 12 * 7
(3 * 2 + f * 2) = 12 * 7
(6 + 2f) = 12 * 7

Multiply 12 * 7
6 + 2f = 84

Solving
6 + 2f = 84

Solving for variable 'f'.

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

Add '-6' to each side of the equation.
6 + -6 + 2f = 84 + -6

Combine like terms: 6 + -6 = 0
0 + 2f = 84 + -6
2f = 84 + -6

Combine like terms: 84 + -6 = 78
2f = 78

Divide each side by '2'.
f = 39

Simplifying
f = 39