(3n)=(4n-15)

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Solution for (3n)=(4n-15) equation: 



(3n)=(4n-15)

We move all terms to the left:

(3n)-((4n-15))=0



We calculate terms in parentheses: -((4n-15)), so:

(4n-15)

We get rid of parentheses

4n-15

Back to the equation:

-(4n-15)



We get rid of parentheses

3n-4n+15=0

We add all the numbers together, and all the variables

-1n+15=0

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

-n=-15

n=-15/-1

n=+15

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