n+2n+(3+n)=27

Solution for n+2n+(3+n)=27 equation:

Simplifying
n + 2n + (3 + n) = 27

Remove parenthesis around (3 + n)
n + 2n + 3 + n = 27

Reorder the terms:
3 + n + 2n + n = 27

Combine like terms: n + 2n = 3n
3 + 3n + n = 27

Combine like terms: 3n + n = 4n
3 + 4n = 27

Solving
3 + 4n = 27

Solving for variable 'n'.

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

Add '-3' to each side of the equation.
3 + -3 + 4n = 27 + -3

Combine like terms: 3 + -3 = 0
0 + 4n = 27 + -3
4n = 27 + -3

Combine like terms: 27 + -3 = 24
4n = 24

Divide each side by '4'.
n = 6

Simplifying
n = 6