9*(n+7)=18*(n+1)

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Solution for 9*(n+7)=18*(n+1) equation: 



9(n+7)=18(n+1)

We move all terms to the left:

9(n+7)-(18(n+1))=0

We multiply parentheses

9n-(18(n+1))+63=0



We calculate terms in parentheses: -(18(n+1)), so:

18(n+1)

We multiply parentheses

18n+18

Back to the equation:

-(18n+18)



We get rid of parentheses

9n-18n-18+63=0

We add all the numbers together, and all the variables

-9n+45=0

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

-9n=-45

n=-45/-9

n=+5

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