3n-15=-(-7n-1)

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Solution for 3n-15=-(-7n-1) equation: 



3n-15=-(-7n-1)

We move all terms to the left:

3n-15-(-(-7n-1))=0



We calculate terms in parentheses: -(-(-7n-1)), so:

-(-7n-1)

We get rid of parentheses

7n+1

Back to the equation:

-(7n+1)



We get rid of parentheses

3n-7n-1-15=0

We add all the numbers together, and all the variables

-4n-16=0

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

-4n=16

n=16/-4

n=-4

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