-10(3n+6)=-9(3+3n)

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Solution for -10(3n+6)=-9(3+3n) equation: 



-10(3n+6)=-9(3+3n)

We move all terms to the left:

-10(3n+6)-(-9(3+3n))=0

We add all the numbers together, and all the variables

-10(3n+6)-(-9(3n+3))=0

We multiply parentheses

-30n-(-9(3n+3))-60=0



We calculate terms in parentheses: -(-9(3n+3)), so:

-9(3n+3)

We multiply parentheses

-27n-27

Back to the equation:

-(-27n-27)



We get rid of parentheses

-30n+27n+27-60=0

We add all the numbers together, and all the variables

-3n-33=0

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

-3n=33

n=33/-3

n=-11

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