3n-6+(-9)=

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Solution for 3n-6+(-9)= equation: 


Simplifying
3n + -6 + (-9) = 0
3n + -6 + -9 = 0

Reorder the terms:
-6 + -9 + 3n = 0

Combine like terms: -6 + -9 = -15
-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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