N+(n+1)+(n+3)=39

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Solution for N+(n+1)+(n+3)=39 equation:


Simplifying
N + (n + 1) + (n + 3) = 39

Reorder the terms:
N + (1 + n) + (n + 3) = 39

Remove parenthesis around (1 + n)
N + 1 + n + (n + 3) = 39

Reorder the terms:
N + 1 + n + (3 + n) = 39

Remove parenthesis around (3 + n)
N + 1 + n + 3 + n = 39

Reorder the terms:
1 + 3 + N + n + n = 39

Combine like terms: 1 + 3 = 4
4 + N + n + n = 39

Combine like terms: n + n = 2n
4 + N + 2n = 39

Solving
4 + N + 2n = 39

Solving for variable 'N'.

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

Add '-4' to each side of the equation.
4 + N + -4 + 2n = 39 + -4

Reorder the terms:
4 + -4 + N + 2n = 39 + -4

Combine like terms: 4 + -4 = 0
0 + N + 2n = 39 + -4
N + 2n = 39 + -4

Combine like terms: 39 + -4 = 35
N + 2n = 35

Add '-2n' to each side of the equation.
N + 2n + -2n = 35 + -2n

Combine like terms: 2n + -2n = 0
N + 0 = 35 + -2n
N = 35 + -2n

Simplifying
N = 35 + -2n

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