2n+n-2n=9

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Solution for 2n+n-2n=9 equation: 


Simplifying
2n + n + -2n = 9

Combine like terms: 2n + n = 3n
3n + -2n = 9

Combine like terms: 3n + -2n = 1n
1n = 9

Solving
1n = 9

Solving for variable 'n'.

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

Divide each side by '1'.
n = 9

Simplifying
n = 9

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