-b-6=2b

Solution for -b-6=2b equation:

Simplifying
-1b + -6 = 2b

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

Solving
-6 + -1b = 2b

Solving for variable 'b'.

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

Add '-2b' to each side of the equation.
-6 + -1b + -2b = 2b + -2b

Combine like terms: -1b + -2b = -3b
-6 + -3b = 2b + -2b

Combine like terms: 2b + -2b = 0
-6 + -3b = 0

Add '6' to each side of the equation.
-6 + 6 + -3b = 0 + 6

Combine like terms: -6 + 6 = 0
0 + -3b = 0 + 6
-3b = 0 + 6

Combine like terms: 0 + 6 = 6
-3b = 6

Divide each side by '-3'.
b = -2

Simplifying
b = -2