12=-8b-4b

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Solution for 12=-8b-4b equation:


Simplifying
12 = -8b + -4b

Combine like terms: -8b + -4b = -12b
12 = -12b

Solving
12 = -12b

Solving for variable 'b'.

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

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

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

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

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

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

Divide each side by '12'.
b = -1

Simplifying
b = -1

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