-9(3+n)=45

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Solution for -9(3+n)=45 equation: 



-9(3+n)=45

We move all terms to the left:

-9(3+n)-(45)=0

We add all the numbers together, and all the variables

-9(n+3)-45=0

We multiply parentheses

-9n-27-45=0

We add all the numbers together, and all the variables

-9n-72=0

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

-9n=72

n=72/-9

n=-8

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