12-3b=-8b-b

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Solution for 12-3b=-8b-b equation:


Simplifying
12 + -3b = -8b + -1b

Combine like terms: -8b + -1b = -9b
12 + -3b = -9b

Solving
12 + -3b = -9b

Solving for variable 'b'.

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

Add '9b' to each side of the equation.
12 + -3b + 9b = -9b + 9b

Combine like terms: -3b + 9b = 6b
12 + 6b = -9b + 9b

Combine like terms: -9b + 9b = 0
12 + 6b = 0

Add '-12' to each side of the equation.
12 + -12 + 6b = 0 + -12

Combine like terms: 12 + -12 = 0
0 + 6b = 0 + -12
6b = 0 + -12

Combine like terms: 0 + -12 = -12
6b = -12

Divide each side by '6'.
b = -2

Simplifying
b = -2

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