3+n+n=-n-1

Solution for 3+n+n=-n-1 equation:

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

Combine like terms: n + n = 2n
3 + 2n = -1n + -1

Reorder the terms:
3 + 2n = -1 + -1n

Solving
3 + 2n = -1 + -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.
3 + 2n + n = -1 + -1n + n

Combine like terms: 2n + n = 3n
3 + 3n = -1 + -1n + n

Combine like terms: -1n + n = 0
3 + 3n = -1 + 0
3 + 3n = -1

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

Combine like terms: 3 + -3 = 0
0 + 3n = -1 + -3
3n = -1 + -3

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

Divide each side by '3'.
n = -1.333333333

Simplifying
n = -1.333333333