3n+n=20

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Solution for 3n+n=20 equation: 


Simplifying
3n + n = 20

Combine like terms: 3n + n = 4n
4n = 20

Solving
4n = 20

Solving for variable 'n'.

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

Divide each side by '4'.
n = 5

Simplifying
n = 5

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