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-30-5n=-5n-6(-2-7n)
We move all terms to the left:
-30-5n-(-5n-6(-2-7n))=0
We add all the numbers together, and all the variables
-5n-(-5n-6(-7n-2))-30=0
We calculate terms in parentheses: -(-5n-6(-7n-2)), so:We get rid of parentheses
-5n-6(-7n-2)
We multiply parentheses
-5n+42n+12
We add all the numbers together, and all the variables
37n+12
Back to the equation:
-(37n+12)
-5n-37n-12-30=0
We add all the numbers together, and all the variables
-42n-42=0
We move all terms containing n to the left, all other terms to the right
-42n=42
n=42/-42
n=-1
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