(9b-9)-4(2b+4)=-2

Solution for (9b-9)-4(2b+4)=-2 equation:

Simplifying
(9b + -9) + -4(2b + 4) = -2

Reorder the terms:
(-9 + 9b) + -4(2b + 4) = -2

Remove parenthesis around (-9 + 9b)
-9 + 9b + -4(2b + 4) = -2

Reorder the terms:
-9 + 9b + -4(4 + 2b) = -2
-9 + 9b + (4 * -4 + 2b * -4) = -2
-9 + 9b + (-16 + -8b) = -2

Reorder the terms:
-9 + -16 + 9b + -8b = -2

Combine like terms: -9 + -16 = -25
-25 + 9b + -8b = -2

Combine like terms: 9b + -8b = 1b
-25 + 1b = -2

Solving
-25 + 1b = -2

Solving for variable 'b'.

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

Add '25' to each side of the equation.
-25 + 25 + 1b = -2 + 25

Combine like terms: -25 + 25 = 0
0 + 1b = -2 + 25
1b = -2 + 25

Combine like terms: -2 + 25 = 23
1b = 23

Divide each side by '1'.
b = 23

Simplifying
b = 23