-2(n+3)=9

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Solution for -2(n+3)=9 equation: 



-2(n+3)=9

We move all terms to the left:

-2(n+3)-(9)=0

We multiply parentheses

-2n-6-9=0

We add all the numbers together, and all the variables

-2n-15=0

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

-2n=15

n=15/-2

n=-7+1/2

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