9=-3n-4n-5

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Solution for 9=-3n-4n-5 equation: 



9=-3n-4n-5

We move all terms to the left:

9-(-3n-4n-5)=0

We add all the numbers together, and all the variables

-(-7n-5)+9=0

We get rid of parentheses

7n+5+9=0

We add all the numbers together, and all the variables

7n+14=0

We move all terms containing n to the left, all other terms to the right

7n=-14

n=-14/7

n=-2

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