6+n=-n

Solution for 6+n=-n equation:

Simplifying
6 + n = -1n

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

Combine like terms: n + n = 2n
6 + 2n = -1n + n

Combine like terms: -1n + n = 0
6 + 2n = 0

Add '-6' to each side of the equation.
6 + -6 + 2n = 0 + -6

Combine like terms: 6 + -6 = 0
0 + 2n = 0 + -6
2n = 0 + -6

Combine like terms: 0 + -6 = -6
2n = -6

Divide each side by '2'.
n = -3

Simplifying
n = -3