b=2(b-4)

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


Simplifying
b = 2(b + -4)

Reorder the terms:
b = 2(-4 + b)
b = (-4 * 2 + b * 2)
b = (-8 + 2b)

Solving
b = -8 + 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.
b + -2b = -8 + 2b + -2b

Combine like terms: b + -2b = -1b
-1b = -8 + 2b + -2b

Combine like terms: 2b + -2b = 0
-1b = -8 + 0
-1b = -8

Divide each side by '-1'.
b = 8

Simplifying
b = 8

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