n+2n+5=20

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Solution for n+2n+5=20 equation: 


Simplifying
n + 2n + 5 = 20

Reorder the terms:
5 + n + 2n = 20

Combine like terms: n + 2n = 3n
5 + 3n = 20

Solving
5 + 3n = 20

Solving for variable 'n'.

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

Add '-5' to each side of the equation.
5 + -5 + 3n = 20 + -5

Combine like terms: 5 + -5 = 0
0 + 3n = 20 + -5
3n = 20 + -5

Combine like terms: 20 + -5 = 15
3n = 15

Divide each side by '3'.
n = 5

Simplifying
n = 5

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