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4-7(-6n-7)=389
We move all terms to the left:
4-7(-6n-7)-(389)=0
We add all the numbers together, and all the variables
-7(-6n-7)-385=0
We multiply parentheses
42n+49-385=0
We add all the numbers together, and all the variables
42n-336=0
We move all terms containing n to the left, all other terms to the right
42n=336
n=336/42
n=8
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