12=2(b-2)-4b

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Solution for 12=2(b-2)-4b equation:


Simplifying
12 = 2(b + -2) + -4b

Reorder the terms:
12 = 2(-2 + b) + -4b
12 = (-2 * 2 + b * 2) + -4b
12 = (-4 + 2b) + -4b

Combine like terms: 2b + -4b = -2b
12 = -4 + -2b

Solving
12 = -4 + -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 = -4 + -2b + 2b

Combine like terms: -2b + 2b = 0
12 + 2b = -4 + 0
12 + 2b = -4

Add '-12' to each side of the equation.
12 + -12 + 2b = -4 + -12

Combine like terms: 12 + -12 = 0
0 + 2b = -4 + -12
2b = -4 + -12

Combine like terms: -4 + -12 = -16
2b = -16

Divide each side by '2'.
b = -8

Simplifying
b = -8

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