b-1+8b=30

Solution for b-1+8b=30 equation:

Simplifying
b + -1 + 8b = 30

Reorder the terms:
-1 + b + 8b = 30

Combine like terms: b + 8b = 9b
-1 + 9b = 30

Solving
-1 + 9b = 30

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 + 9b = 30 + 1

Combine like terms: -1 + 1 = 0
0 + 9b = 30 + 1
9b = 30 + 1

Combine like terms: 30 + 1 = 31
9b = 31

Divide each side by '9'.
b = 3.444444444

Simplifying
b = 3.444444444