12=-3n-n

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Solution for 12=-3n-n equation:


Simplifying
12 = -3n + -1n

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

Solving
12 = -4n

Solving for variable 'n'.

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

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

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

Add '-12' to each side of the equation.
12 + -12 + 4n = 0 + -12

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

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

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

Simplifying
n = -3

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