(2n+1)+(2n+1)+(2n+1)=99

Solution for (2n+1)+(2n+1)+(2n+1)=99 equation:

Simplifying
(2n + 1) + (2n + 1) + (2n + 1) = 99

Reorder the terms:
(1 + 2n) + (2n + 1) + (2n + 1) = 99

Remove parenthesis around (1 + 2n)
1 + 2n + (2n + 1) + (2n + 1) = 99

Reorder the terms:
1 + 2n + (1 + 2n) + (2n + 1) = 99

Remove parenthesis around (1 + 2n)
1 + 2n + 1 + 2n + (2n + 1) = 99

Reorder the terms:
1 + 2n + 1 + 2n + (1 + 2n) = 99

Remove parenthesis around (1 + 2n)
1 + 2n + 1 + 2n + 1 + 2n = 99

Reorder the terms:
1 + 1 + 1 + 2n + 2n + 2n = 99

Combine like terms: 1 + 1 = 2
2 + 1 + 2n + 2n + 2n = 99

Combine like terms: 2 + 1 = 3
3 + 2n + 2n + 2n = 99

Combine like terms: 2n + 2n = 4n
3 + 4n + 2n = 99

Combine like terms: 4n + 2n = 6n
3 + 6n = 99

Solving
3 + 6n = 99

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 + 6n = 99 + -3

Combine like terms: 3 + -3 = 0
0 + 6n = 99 + -3
6n = 99 + -3

Combine like terms: 99 + -3 = 96
6n = 96

Divide each side by '6'.
n = 16

Simplifying
n = 16