3+2n+6+n+3+n=

Solution for 3+2n+6+n+3+n= equation:

Simplifying
3 + 2n + 6 + n + 3 + n = 0

Reorder the terms:
3 + 6 + 3 + 2n + n + n = 0

Combine like terms: 3 + 6 = 9
9 + 3 + 2n + n + n = 0

Combine like terms: 9 + 3 = 12
12 + 2n + n + n = 0

Combine like terms: 2n + n = 3n
12 + 3n + n = 0

Combine like terms: 3n + n = 4n
12 + 4n = 0

Solving
12 + 4n = 0

Solving for variable 'n'.

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

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