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-7(1-6n)=-91
We move all terms to the left:
-7(1-6n)-(-91)=0
We add all the numbers together, and all the variables
-7(-6n+1)-(-91)=0
We add all the numbers together, and all the variables
-7(-6n+1)+91=0
We multiply parentheses
42n-7+91=0
We add all the numbers together, and all the variables
42n+84=0
We move all terms containing n to the left, all other terms to the right
42n=-84
n=-84/42
n=-2
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