n+3n+18=180

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Solution for n+3n+18=180 equation:


Simplifying
n + 3n + 18 = 180

Reorder the terms:
18 + n + 3n = 180

Combine like terms: n + 3n = 4n
18 + 4n = 180

Solving
18 + 4n = 180

Solving for variable 'n'.

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

Add '-18' to each side of the equation.
18 + -18 + 4n = 180 + -18

Combine like terms: 18 + -18 = 0
0 + 4n = 180 + -18
4n = 180 + -18

Combine like terms: 180 + -18 = 162
4n = 162

Divide each side by '4'.
n = 40.5

Simplifying
n = 40.5

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