(2n+18)+(4n+12)=180

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Solution for (2n+18)+(4n+12)=180 equation:


Simplifying
(2n + 18) + (4n + 12) = 180

Reorder the terms:
(18 + 2n) + (4n + 12) = 180

Remove parenthesis around (18 + 2n)
18 + 2n + (4n + 12) = 180

Reorder the terms:
18 + 2n + (12 + 4n) = 180

Remove parenthesis around (12 + 4n)
18 + 2n + 12 + 4n = 180

Reorder the terms:
18 + 12 + 2n + 4n = 180

Combine like terms: 18 + 12 = 30
30 + 2n + 4n = 180

Combine like terms: 2n + 4n = 6n
30 + 6n = 180

Solving
30 + 6n = 180

Solving for variable 'n'.

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

Add '-30' to each side of the equation.
30 + -30 + 6n = 180 + -30

Combine like terms: 30 + -30 = 0
0 + 6n = 180 + -30
6n = 180 + -30

Combine like terms: 180 + -30 = 150
6n = 150

Divide each side by '6'.
n = 25

Simplifying
n = 25

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