8=1+2n+1

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Solution for 8=1+2n+1 equation: 



8=1+2n+1

We move all terms to the left:

8-(1+2n+1)=0

We add all the numbers together, and all the variables

-(2n+2)+8=0

We get rid of parentheses

-2n-2+8=0

We add all the numbers together, and all the variables

-2n+6=0

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

-2n=-6

n=-6/-2

n=+3

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