3n-n=4+n

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Solution for 3n-n=4+n equation: 


Simplifying
3n + -1n = 4 + n

Combine like terms: 3n + -1n = 2n
2n = 4 + n

Solving
2n = 4 + 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.
2n + -1n = 4 + n + -1n

Combine like terms: 2n + -1n = 1n
1n = 4 + n + -1n

Combine like terms: n + -1n = 0
1n = 4 + 0
1n = 4

Divide each side by '1'.
n = 4

Simplifying
n = 4

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