12=2b-1

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Solution for 12=2b-1 equation:


Simplifying
12 = 2b + -1

Reorder the terms:
12 = -1 + 2b

Solving
12 = -1 + 2b

Solving for variable 'b'.

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

Add '-2b' to each side of the equation.
12 + -2b = -1 + 2b + -2b

Combine like terms: 2b + -2b = 0
12 + -2b = -1 + 0
12 + -2b = -1

Add '-12' to each side of the equation.
12 + -12 + -2b = -1 + -12

Combine like terms: 12 + -12 = 0
0 + -2b = -1 + -12
-2b = -1 + -12

Combine like terms: -1 + -12 = -13
-2b = -13

Divide each side by '-2'.
b = 6.5

Simplifying
b = 6.5

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