2(b+2)-(9+b)=-6

Solution for 2(b+2)-(9+b)=-6 equation:

Simplifying
2(b + 2) + -1(9 + b) = -6

Reorder the terms:
2(2 + b) + -1(9 + b) = -6
(2 * 2 + b * 2) + -1(9 + b) = -6
(4 + 2b) + -1(9 + b) = -6
4 + 2b + (9 * -1 + b * -1) = -6
4 + 2b + (-9 + -1b) = -6

Reorder the terms:
4 + -9 + 2b + -1b = -6

Combine like terms: 4 + -9 = -5
-5 + 2b + -1b = -6

Combine like terms: 2b + -1b = 1b
-5 + 1b = -6

Solving
-5 + 1b = -6

Solving for variable 'b'.

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

Add '5' to each side of the equation.
-5 + 5 + 1b = -6 + 5

Combine like terms: -5 + 5 = 0
0 + 1b = -6 + 5
1b = -6 + 5

Combine like terms: -6 + 5 = -1
1b = -1

Divide each side by '1'.
b = -1

Simplifying
b = -1