(2n+9)+n=51

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Solution for (2n+9)+n=51 equation:


Simplifying
(2n + 9) + n = 51

Reorder the terms:
(9 + 2n) + n = 51

Remove parenthesis around (9 + 2n)
9 + 2n + n = 51

Combine like terms: 2n + n = 3n
9 + 3n = 51

Solving
9 + 3n = 51

Solving for variable 'n'.

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

Add '-9' to each side of the equation.
9 + -9 + 3n = 51 + -9

Combine like terms: 9 + -9 = 0
0 + 3n = 51 + -9
3n = 51 + -9

Combine like terms: 51 + -9 = 42
3n = 42

Divide each side by '3'.
n = 14

Simplifying
n = 14

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