4(5n+3)=9(5n-7)

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Solution for 4(5n+3)=9(5n-7) equation: 



4(5n+3)=9(5n-7)

We move all terms to the left:

4(5n+3)-(9(5n-7))=0

We multiply parentheses

20n-(9(5n-7))+12=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

20n-45n+63+12=0

We add all the numbers together, and all the variables

-25n+75=0

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

-25n=-75

n=-75/-25

n=+3

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