2n+(2n+36)=120

Solution for 2n+(2n+36)=120 equation:

Simplifying
2n + (2n + 36) = 120

Reorder the terms:
2n + (36 + 2n) = 120

Remove parenthesis around (36 + 2n)
2n + 36 + 2n = 120

Reorder the terms:
36 + 2n + 2n = 120

Combine like terms: 2n + 2n = 4n
36 + 4n = 120

Solving
36 + 4n = 120

Solving for variable 'n'.

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

Add '-36' to each side of the equation.
36 + -36 + 4n = 120 + -36

Combine like terms: 36 + -36 = 0
0 + 4n = 120 + -36
4n = 120 + -36

Combine like terms: 120 + -36 = 84
4n = 84

Divide each side by '4'.
n = 21

Simplifying
n = 21