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-3-8(n+40)=-91
We move all terms to the left:
-3-8(n+40)-(-91)=0
We add all the numbers together, and all the variables
-8(n+40)+88=0
We multiply parentheses
-8n-320+88=0
We add all the numbers together, and all the variables
-8n-232=0
We move all terms containing n to the left, all other terms to the right
-8n=232
n=232/-8
n=-29
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