15-6n+9n=

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Solution for 15-6n+9n= equation: 


Simplifying
15 + -6n + 9n = 0

Combine like terms: -6n + 9n = 3n
15 + 3n = 0

Solving
15 + 3n = 0

Solving for variable 'n'.

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

Add '-15' to each side of the equation.
15 + -15 + 3n = 0 + -15

Combine like terms: 15 + -15 = 0
0 + 3n = 0 + -15
3n = 0 + -15

Combine like terms: 0 + -15 = -15
3n = -15

Divide each side by '3'.
n = -5

Simplifying
n = -5

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