12-(n+4)=3n

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Solution for 12-(n+4)=3n equation:


Simplifying
12 + -1(n + 4) = 3n

Reorder the terms:
12 + -1(4 + n) = 3n
12 + (4 * -1 + n * -1) = 3n
12 + (-4 + -1n) = 3n

Combine like terms: 12 + -4 = 8
8 + -1n = 3n

Solving
8 + -1n = 3n

Solving for variable 'n'.

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

Add '-3n' to each side of the equation.
8 + -1n + -3n = 3n + -3n

Combine like terms: -1n + -3n = -4n
8 + -4n = 3n + -3n

Combine like terms: 3n + -3n = 0
8 + -4n = 0

Add '-8' to each side of the equation.
8 + -8 + -4n = 0 + -8

Combine like terms: 8 + -8 = 0
0 + -4n = 0 + -8
-4n = 0 + -8

Combine like terms: 0 + -8 = -8
-4n = -8

Divide each side by '-4'.
n = 2

Simplifying
n = 2

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