3n-15=-4(-n)

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



3n-15=-4(-n)

We move all terms to the left:

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

We add all the numbers together, and all the variables

3n-(-4(-1n))-15=0



We calculate terms in parentheses: -(-4(-1n)), so:

-4(-1n)

We multiply parentheses

4n

Back to the equation:

-(4n)



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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