F+9(F-5)=

Solution for F+9(F-5)= equation:

Simplifying
F + 9(F + -5) = 0

Reorder the terms:
F + 9(-5 + F) = 0
F + (-5 * 9 + F * 9) = 0
F + (-45 + 9F) = 0

Reorder the terms:
-45 + F + 9F = 0

Combine like terms: F + 9F = 10F
-45 + 10F = 0

Solving
-45 + 10F = 0

Solving for variable 'F'.

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

Add '45' to each side of the equation.
-45 + 45 + 10F = 0 + 45

Combine like terms: -45 + 45 = 0
0 + 10F = 0 + 45
10F = 0 + 45

Combine like terms: 0 + 45 = 45
10F = 45

Divide each side by '10'.
F = 4.5

Simplifying
F = 4.5