6+3(F-4)=9

Solution for 6+3(F-4)=9 equation:

Simplifying
6 + 3(F + -4) = 9

Reorder the terms:
6 + 3(-4 + F) = 9
6 + (-4 * 3 + F * 3) = 9
6 + (-12 + 3F) = 9

Combine like terms: 6 + -12 = -6
-6 + 3F = 9

Solving
-6 + 3F = 9

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 + 3F = 9 + 6

Combine like terms: -6 + 6 = 0
0 + 3F = 9 + 6
3F = 9 + 6

Combine like terms: 9 + 6 = 15
3F = 15

Divide each side by '3'.
F = 5

Simplifying
F = 5