-(n-3)=-7-3n

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



-(n-3)=-7-3n

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

-n+3n+3+7=0

We add all the numbers together, and all the variables

2n+10=0

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

2n=-10

n=-10/2

n=-5

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