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2(n+84)=-8
We move all terms to the left:
2(n+84)-(-8)=0
We add all the numbers together, and all the variables
2(n+84)+8=0
We multiply parentheses
2n+168+8=0
We add all the numbers together, and all the variables
2n+176=0
We move all terms containing n to the left, all other terms to the right
2n=-176
n=-176/2
n=-88
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