n+(n+1)=13

Solution for n+(n+1)=13 equation:

Simplifying
n + (n + 1) = 13

Reorder the terms:
n + (1 + n) = 13

Remove parenthesis around (1 + n)
n + 1 + n = 13

Reorder the terms:
1 + n + n = 13

Combine like terms: n + n = 2n
1 + 2n = 13

Solving
1 + 2n = 13

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 + 2n = 13 + -1

Combine like terms: 1 + -1 = 0
0 + 2n = 13 + -1
2n = 13 + -1

Combine like terms: 13 + -1 = 12
2n = 12

Divide each side by '2'.
n = 6

Simplifying
n = 6