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2(n+3)=-30
We move all terms to the left:
2(n+3)-(-30)=0
We add all the numbers together, and all the variables
2(n+3)+30=0
We multiply parentheses
2n+6+30=0
We add all the numbers together, and all the variables
2n+36=0
We move all terms containing n to the left, all other terms to the right
2n=-36
n=-36/2
n=-18
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