4b+9+b-8=

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

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

Reorder the terms:
9 + -8 + 4b + b = 0

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

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

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

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

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

Divide each side by '5'.
b = -0.2

Simplifying
b = -0.2