7n-7=-2(3+n)

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Solution for 7n-7=-2(3+n) equation: 



7n-7=-2(3+n)

We move all terms to the left:

7n-7-(-2(3+n))=0

We add all the numbers together, and all the variables

7n-(-2(n+3))-7=0



We calculate terms in parentheses: -(-2(n+3)), so:

-2(n+3)

We multiply parentheses

-2n-6

Back to the equation:

-(-2n-6)



We get rid of parentheses

7n+2n+6-7=0

We add all the numbers together, and all the variables

9n-1=0

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

9n=1

n=1/9

n=1/9

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