3n+6=-n-6

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Solution for 3n+6=-n-6 equation:


Simplifying
3n + 6 = -1n + -6

Reorder the terms:
6 + 3n = -1n + -6

Reorder the terms:
6 + 3n = -6 + -1n

Solving
6 + 3n = -6 + -1n

Solving for variable 'n'.

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

Add 'n' to each side of the equation.
6 + 3n + n = -6 + -1n + n

Combine like terms: 3n + n = 4n
6 + 4n = -6 + -1n + n

Combine like terms: -1n + n = 0
6 + 4n = -6 + 0
6 + 4n = -6

Add '-6' to each side of the equation.
6 + -6 + 4n = -6 + -6

Combine like terms: 6 + -6 = 0
0 + 4n = -6 + -6
4n = -6 + -6

Combine like terms: -6 + -6 = -12
4n = -12

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

Simplifying
n = -3

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