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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

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



We calculate terms in parentheses: -(3(4n-9)), so:

3(4n-9)

We multiply parentheses

12n-27

Back to the equation:

-(12n-27)



We add all the numbers together, and all the variables

2n-(12n-27)+7=0

We get rid of parentheses

2n-12n+27+7=0

We add all the numbers together, and all the variables

-10n+34=0

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

-10n=-34

n=-34/-10

n=3+2/5

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