(n+4)=3n+12

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


Simplifying
(n + 4) = 3n + 12

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

Remove parenthesis around (4 + n)
4 + n = 3n + 12

Reorder the terms:
4 + n = 12 + 3n

Solving
4 + n = 12 + 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.
4 + n + -3n = 12 + 3n + -3n

Combine like terms: n + -3n = -2n
4 + -2n = 12 + 3n + -3n

Combine like terms: 3n + -3n = 0
4 + -2n = 12 + 0
4 + -2n = 12

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

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

Combine like terms: 12 + -4 = 8
-2n = 8

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

Simplifying
n = -4

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