5(3+8f)-9=

Solution for 5(3+8f)-9= equation:

Simplifying
5(3 + 8f) + -9 = 0
(3 * 5 + 8f * 5) + -9 = 0
(15 + 40f) + -9 = 0

Reorder the terms:
15 + -9 + 40f = 0

Combine like terms: 15 + -9 = 6
6 + 40f = 0

Solving
6 + 40f = 0

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 + 40f = 0 + -6

Combine like terms: 6 + -6 = 0
0 + 40f = 0 + -6
40f = 0 + -6

Combine like terms: 0 + -6 = -6
40f = -6

Divide each side by '40'.
f = -0.15

Simplifying
f = -0.15