30+4n=8(5n-9)

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Solution for 30+4n=8(5n-9) equation: 



30+4n=8(5n-9)

We move all terms to the left:

30+4n-(8(5n-9))=0



We calculate terms in parentheses: -(8(5n-9)), so:

8(5n-9)

We multiply parentheses

40n-72

Back to the equation:

-(40n-72)



We get rid of parentheses

4n-40n+72+30=0

We add all the numbers together, and all the variables

-36n+102=0

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

-36n=-102

n=-102/-36

n=2+5/6

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