B=2n+2(n-1)

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Solution for B=2n+2(n-1) equation: 


Simplifying
B = 2n + 2(n + -1)

Reorder the terms:
B = 2n + 2(-1 + n)
B = 2n + (-1 * 2 + n * 2)
B = 2n + (-2 + 2n)

Reorder the terms:
B = -2 + 2n + 2n

Combine like terms: 2n + 2n = 4n
B = -2 + 4n

Solving
B = -2 + 4n

Solving for variable 'B'.

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

Simplifying
B = -2 + 4n

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