-3(n+5)=6

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Solution for -3(n+5)=6 equation: 



-3(n+5)=6

We move all terms to the left:

-3(n+5)-(6)=0

We multiply parentheses

-3n-15-6=0

We add all the numbers together, and all the variables

-3n-21=0

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

-3n=21

n=21/-3

n=-7

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