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2(1+7n)=-82
We move all terms to the left:
2(1+7n)-(-82)=0
We add all the numbers together, and all the variables
2(7n+1)-(-82)=0
We add all the numbers together, and all the variables
2(7n+1)+82=0
We multiply parentheses
14n+2+82=0
We add all the numbers together, and all the variables
14n+84=0
We move all terms containing n to the left, all other terms to the right
14n=-84
n=-84/14
n=-6
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