3n+2n=21

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Solution for 3n+2n=21 equation: 


Simplifying
3n + 2n = 21

Combine like terms: 3n + 2n = 5n
5n = 21

Solving
5n = 21

Solving for variable 'n'.

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

Divide each side by '5'.
n = 4.2

Simplifying
n = 4.2

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