n-1=7+3n

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Solution for n-1=7+3n equation: 



n-1=7+3n

We move all terms to the left:

n-1-(7+3n)=0

We add all the numbers together, and all the variables

n-(3n+7)-1=0

We get rid of parentheses

n-3n-7-1=0

We add all the numbers together, and all the variables

-2n-8=0

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

-2n=8

n=8/-2

n=-4

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