8-9+4b-5f=

Solution for 8-9+4b-5f= equation:

Simplifying
8 + -9 + 4b + -5f = 0

Combine like terms: 8 + -9 = -1
-1 + 4b + -5f = 0

Solving
-1 + 4b + -5f = 0

Solving for variable 'b'.

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

Add '1' to each side of the equation.
-1 + 4b + 1 + -5f = 0 + 1

Reorder the terms:
-1 + 1 + 4b + -5f = 0 + 1

Combine like terms: -1 + 1 = 0
0 + 4b + -5f = 0 + 1
4b + -5f = 0 + 1

Combine like terms: 0 + 1 = 1
4b + -5f = 1

Add '5f' to each side of the equation.
4b + -5f + 5f = 1 + 5f

Combine like terms: -5f + 5f = 0
4b + 0 = 1 + 5f
4b = 1 + 5f

Divide each side by '4'.
b = 0.25 + 1.25f

Simplifying
b = 0.25 + 1.25f