-3n-15=-(-7+5n)-6

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Solution for -3n-15=-(-7+5n)-6 equation: 



-3n-15=-(-7+5n)-6

We move all terms to the left:

-3n-15-(-(-7+5n)-6)=0

We add all the numbers together, and all the variables

-3n-(-(5n-7)-6)-15=0



We calculate terms in parentheses: -(-(5n-7)-6), so:

-(5n-7)-6

We get rid of parentheses

-5n+7-6

We add all the numbers together, and all the variables

-5n+1

Back to the equation:

-(-5n+1)



We get rid of parentheses

-3n+5n-1-15=0

We add all the numbers together, and all the variables

2n-16=0

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

2n=16

n=16/2

n=8

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