(2n+9)+(5n-4)=6n+9

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Solution for (2n+9)+(5n-4)=6n+9 equation:


Simplifying
(2n + 9) + (5n + -4) = 6n + 9

Reorder the terms:
(9 + 2n) + (5n + -4) = 6n + 9

Remove parenthesis around (9 + 2n)
9 + 2n + (5n + -4) = 6n + 9

Reorder the terms:
9 + 2n + (-4 + 5n) = 6n + 9

Remove parenthesis around (-4 + 5n)
9 + 2n + -4 + 5n = 6n + 9

Reorder the terms:
9 + -4 + 2n + 5n = 6n + 9

Combine like terms: 9 + -4 = 5
5 + 2n + 5n = 6n + 9

Combine like terms: 2n + 5n = 7n
5 + 7n = 6n + 9

Reorder the terms:
5 + 7n = 9 + 6n

Solving
5 + 7n = 9 + 6n

Solving for variable 'n'.

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

Add '-6n' to each side of the equation.
5 + 7n + -6n = 9 + 6n + -6n

Combine like terms: 7n + -6n = 1n
5 + 1n = 9 + 6n + -6n

Combine like terms: 6n + -6n = 0
5 + 1n = 9 + 0
5 + 1n = 9

Add '-5' to each side of the equation.
5 + -5 + 1n = 9 + -5

Combine like terms: 5 + -5 = 0
0 + 1n = 9 + -5
1n = 9 + -5

Combine like terms: 9 + -5 = 4
1n = 4

Divide each side by '1'.
n = 4

Simplifying
n = 4

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