28=9(5n-7)

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Solution for 28=9(5n-7) equation: 



28=9(5n-7)

We move all terms to the left:

28-(9(5n-7))=0



We calculate terms in parentheses: -(9(5n-7)), so:

9(5n-7)

We multiply parentheses

45n-63

Back to the equation:

-(45n-63)



We get rid of parentheses

-45n+63+28=0

We add all the numbers together, and all the variables

-45n+91=0

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

-45n=-91

n=-91/-45

n=2+1/45

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