(2n+n+1)=

Solution for (2n+n+1)= equation:

Simplifying
(2n + n + 1) = 0

Reorder the terms:
(1 + 2n + n) = 0

Combine like terms: 2n + n = 3n
(1 + 3n) = 0

Remove parenthesis around (1 + 3n)
1 + 3n = 0

Solving
1 + 3n = 0

Solving for variable 'n'.

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

Add '-1' to each side of the equation.
1 + -1 + 3n = 0 + -1

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

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

Divide each side by '3'.
n = -0.3333333333

Simplifying
n = -0.3333333333