-1=2+b-2

Solution for -1=2+b-2 equation:

Simplifying
-1 = 2 + b + -2

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

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

Solving
-1 = b

Solving for variable 'b'.

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

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

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

Add '1' to each side of the equation.
-1 + 1 + -1b = 0 + 1

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

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

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

Simplifying
b = -1