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-5(-10+7n)=330
We move all terms to the left:
-5(-10+7n)-(330)=0
We add all the numbers together, and all the variables
-5(7n-10)-330=0
We multiply parentheses
-35n+50-330=0
We add all the numbers together, and all the variables
-35n-280=0
We move all terms containing n to the left, all other terms to the right
-35n=280
n=280/-35
n=-8
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