b-2-1=-4

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Solution for b-2-1=-4 equation: 


Simplifying
b + -2 + -1 = -4

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

Combine like terms: -2 + -1 = -3
-3 + b = -4

Solving
-3 + b = -4

Solving for variable 'b'.

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

Add '3' to each side of the equation.
-3 + 3 + b = -4 + 3

Combine like terms: -3 + 3 = 0
0 + b = -4 + 3
b = -4 + 3

Combine like terms: -4 + 3 = -1
b = -1

Simplifying
b = -1

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