2n+n=n+7

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Solution for 2n+n=n+7 equation: 


Simplifying
2n + n = n + 7

Combine like terms: 2n + n = 3n
3n = n + 7

Reorder the terms:
3n = 7 + n

Solving
3n = 7 + n

Solving for variable 'n'.

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

Add '-1n' to each side of the equation.
3n + -1n = 7 + n + -1n

Combine like terms: 3n + -1n = 2n
2n = 7 + n + -1n

Combine like terms: n + -1n = 0
2n = 7 + 0
2n = 7

Divide each side by '2'.
n = 3.5

Simplifying
n = 3.5

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