(12-n)-n+5n=

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Solution for (12-n)-n+5n= equation:


Simplifying
(12 + -1n) + -1n + 5n = 0

Remove parenthesis around (12 + -1n)
12 + -1n + -1n + 5n = 0

Combine like terms: -1n + -1n = -2n
12 + -2n + 5n = 0

Combine like terms: -2n + 5n = 3n
12 + 3n = 0

Solving
12 + 3n = 0

Solving for variable 'n'.

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

Add '-12' to each side of the equation.
12 + -12 + 3n = 0 + -12

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

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

Divide each side by '3'.
n = -4

Simplifying
n = -4

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