9b+7-1=

Solution for 9b+7-1= equation:

Simplifying
9b + 7 + -1 = 0

Reorder the terms:
7 + -1 + 9b = 0

Combine like terms: 7 + -1 = 6
6 + 9b = 0

Solving
6 + 9b = 0

Solving for variable 'b'.

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

Add '-6' to each side of the equation.
6 + -6 + 9b = 0 + -6

Combine like terms: 6 + -6 = 0
0 + 9b = 0 + -6
9b = 0 + -6

Combine like terms: 0 + -6 = -6
9b = -6

Divide each side by '9'.
b = -0.6666666667

Simplifying
b = -0.6666666667