-2b-1=3

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Solution for -2b-1=3 equation: 


Simplifying
-2b + -1 = 3

Reorder the terms:
-1 + -2b = 3

Solving
-1 + -2b = 3

Solving for variable 'b'.

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

Add '1' to each side of the equation.
-1 + 1 + -2b = 3 + 1

Combine like terms: -1 + 1 = 0
0 + -2b = 3 + 1
-2b = 3 + 1

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

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

Simplifying
b = -2

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