-3+6=-b

Solution for -3+6=-b equation:

Simplifying
-3 + 6 = -1b

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

Solving
3 = -1b

Solving for variable 'b'.

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

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

Combine like terms: -1b + b = 0
3 + b = 0

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

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

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

Simplifying
b = -3