2b-b-1=12

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Solution for 2b-b-1=12 equation:


Simplifying
2b + -1b + -1 = 12

Reorder the terms:
-1 + 2b + -1b = 12

Combine like terms: 2b + -1b = 1b
-1 + 1b = 12

Solving
-1 + 1b = 12

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 + 1b = 12 + 1

Combine like terms: -1 + 1 = 0
0 + 1b = 12 + 1
1b = 12 + 1

Combine like terms: 12 + 1 = 13
1b = 13

Divide each side by '1'.
b = 13

Simplifying
b = 13

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