7n+6(n+7)=-12n-(-9n+6)

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Solution for 7n+6(n+7)=-12n-(-9n+6) equation: 



7n+6(n+7)=-12n-(-9n+6)

We move all terms to the left:

7n+6(n+7)-(-12n-(-9n+6))=0

We multiply parentheses

7n+6n-(-12n-(-9n+6))+42=0



We calculate terms in parentheses: -(-12n-(-9n+6)), so:

-12n-(-9n+6)

We get rid of parentheses

-12n+9n-6

We add all the numbers together, and all the variables

-3n-6

Back to the equation:

-(-3n-6)



We add all the numbers together, and all the variables

13n-(-3n-6)+42=0

We get rid of parentheses

13n+3n+6+42=0

We add all the numbers together, and all the variables

16n+48=0

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

16n=-48

n=-48/16

n=-3

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