8n=5(n-9)

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Solution for 8n=5(n-9) equation: 



8n=5(n-9)

We move all terms to the left:

8n-(5(n-9))=0



We calculate terms in parentheses: -(5(n-9)), so:

5(n-9)

We multiply parentheses

5n-45

Back to the equation:

-(5n-45)



We get rid of parentheses

8n-5n+45=0

We add all the numbers together, and all the variables

3n+45=0

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

3n=-45

n=-45/3

n=-15

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