-4(n-b)=12

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


Simplifying
-4(n + -1b) = 12

Reorder the terms:
-4(-1b + n) = 12
(-1b * -4 + n * -4) = 12
(4b + -4n) = 12

Solving
4b + -4n = 12

Solving for variable 'b'.

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

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

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

Divide each side by '4'.
b = 3 + n

Simplifying
b = 3 + n

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