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-3(n+8)=-12
We move all terms to the left:
-3(n+8)-(-12)=0
We add all the numbers together, and all the variables
-3(n+8)+12=0
We multiply parentheses
-3n-24+12=0
We add all the numbers together, and all the variables
-3n-12=0
We move all terms containing n to the left, all other terms to the right
-3n=12
n=12/-3
n=-4
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