n+(n+6)=24

Solution for n+(n+6)=24 equation:

Simplifying
n + (n + 6) = 24

Reorder the terms:
n + (6 + n) = 24

Remove parenthesis around (6 + n)
n + 6 + n = 24

Reorder the terms:
6 + n + n = 24

Combine like terms: n + n = 2n
6 + 2n = 24

Solving
6 + 2n = 24

Solving for variable 'n'.

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

Add '-6' to each side of the equation.
6 + -6 + 2n = 24 + -6

Combine like terms: 6 + -6 = 0
0 + 2n = 24 + -6
2n = 24 + -6

Combine like terms: 24 + -6 = 18
2n = 18

Divide each side by '2'.
n = 9

Simplifying
n = 9