n-9+n=1+4n

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Solution for n-9+n=1+4n equation: 



n-9+n=1+4n

We move all terms to the left:

n-9+n-(1+4n)=0

We add all the numbers together, and all the variables

n+n-(4n+1)-9=0

We add all the numbers together, and all the variables

2n-(4n+1)-9=0

We get rid of parentheses

2n-4n-1-9=0

We add all the numbers together, and all the variables

-2n-10=0

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

-2n=10

n=10/-2

n=-5

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