N+n+n+n=25

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Solution for N+n+n+n=25 equation: 


Simplifying
N + n + n + n = 25

Combine like terms: n + n = 2n
N + 2n + n = 25

Combine like terms: 2n + n = 3n
N + 3n = 25

Solving
N + 3n = 25

Solving for variable 'N'.

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

Add '-3n' to each side of the equation.
N + 3n + -3n = 25 + -3n

Combine like terms: 3n + -3n = 0
N + 0 = 25 + -3n
N = 25 + -3n

Simplifying
N = 25 + -3n

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