105=5(4n+5)

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Solution for 105=5(4n+5) equation: 



105=5(4n+5)

We move all terms to the left:

105-(5(4n+5))=0



We calculate terms in parentheses: -(5(4n+5)), so:

5(4n+5)

We multiply parentheses

20n+25

Back to the equation:

-(20n+25)



We get rid of parentheses

-20n-25+105=0

We add all the numbers together, and all the variables

-20n+80=0

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

-20n=-80

n=-80/-20

n=+4

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