12-3b=32-b

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Solution for 12-3b=32-b equation:


Simplifying
12 + -3b = 32 + -1b

Solving
12 + -3b = 32 + -1b

Solving for variable 'b'.

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

Add 'b' to each side of the equation.
12 + -3b + b = 32 + -1b + b

Combine like terms: -3b + b = -2b
12 + -2b = 32 + -1b + b

Combine like terms: -1b + b = 0
12 + -2b = 32 + 0
12 + -2b = 32

Add '-12' to each side of the equation.
12 + -12 + -2b = 32 + -12

Combine like terms: 12 + -12 = 0
0 + -2b = 32 + -12
-2b = 32 + -12

Combine like terms: 32 + -12 = 20
-2b = 20

Divide each side by '-2'.
b = -10

Simplifying
b = -10

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