15+n+2n=180

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Solution for 15+n+2n=180 equation: 


Simplifying
15 + n + 2n = 180

Combine like terms: n + 2n = 3n
15 + 3n = 180

Solving
15 + 3n = 180

Solving for variable 'n'.

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

Add '-15' to each side of the equation.
15 + -15 + 3n = 180 + -15

Combine like terms: 15 + -15 = 0
0 + 3n = 180 + -15
3n = 180 + -15

Combine like terms: 180 + -15 = 165
3n = 165

Divide each side by '3'.
n = 55

Simplifying
n = 55

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