5n-45=(n-9)

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Solution for 5n-45=(n-9) equation: 



5n-45=(n-9)

We move all terms to the left:

5n-45-((n-9))=0



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

(n-9)

We get rid of parentheses

n-9

Back to the equation:

-(n-9)



We get rid of parentheses

5n-n+9-45=0

We add all the numbers together, and all the variables

4n-36=0

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

4n=36

n=36/4

n=9

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