n+n=42

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Solution for n+n=42 equation: 


Simplifying
n + n = 42

Combine like terms: n + n = 2n
2n = 42

Solving
2n = 42

Solving for variable 'n'.

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

Divide each side by '2'.
n = 21

Simplifying
n = 21

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