n+n+2+4=84

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Solution for n+n+2+4=84 equation:


Simplifying
n + n + 2 + 4 = 84

Reorder the terms:
2 + 4 + n + n = 84

Combine like terms: 2 + 4 = 6
6 + n + n = 84

Combine like terms: n + n = 2n
6 + 2n = 84

Solving
6 + 2n = 84

Solving for variable 'n'.

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

Add '-6' to each side of the equation.
6 + -6 + 2n = 84 + -6

Combine like terms: 6 + -6 = 0
0 + 2n = 84 + -6
2n = 84 + -6

Combine like terms: 84 + -6 = 78
2n = 78

Divide each side by '2'.
n = 39

Simplifying
n = 39

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