2(n-1)=n+7

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Solution for 2(n-1)=n+7 equation: 



2(n-1)=n+7

We move all terms to the left:

2(n-1)-(n+7)=0

We multiply parentheses

2n-(n+7)-2=0

We get rid of parentheses

2n-n-7-2=0

We add all the numbers together, and all the variables

n-9=0

We move all terms containing n to the left, all other terms to the right

n=9

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