3-5n+n+7=-7(n-1)-5(3n+3)

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Solution for 3-5n+n+7=-7(n-1)-5(3n+3) equation: 



3-5n+n+7=-7(n-1)-5(3n+3)

We move all terms to the left:

3-5n+n+7-(-7(n-1)-5(3n+3))=0

We add all the numbers together, and all the variables

-4n-(-7(n-1)-5(3n+3))+10=0



We calculate terms in parentheses: -(-7(n-1)-5(3n+3)), so:

-7(n-1)-5(3n+3)

We multiply parentheses

-7n-15n+7-15

We add all the numbers together, and all the variables

-22n-8

Back to the equation:

-(-22n-8)



We get rid of parentheses

-4n+22n+8+10=0

We add all the numbers together, and all the variables

18n+18=0

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

18n=-18

n=-18/18

n=-1

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