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

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Solution for -1+2n=9(n-4) equation: 



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

We move all terms to the left:

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



We calculate terms in parentheses: -(9(n-4)), so:

9(n-4)

We multiply parentheses

9n-36

Back to the equation:

-(9n-36)



We get rid of parentheses

2n-9n+36-1=0

We add all the numbers together, and all the variables

-7n+35=0

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

-7n=-35

n=-35/-7

n=+5

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