-6(-10n+3)=-9(9-7n)

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Solution for -6(-10n+3)=-9(9-7n) equation: 



-6(-10n+3)=-9(9-7n)

We move all terms to the left:

-6(-10n+3)-(-9(9-7n))=0

We add all the numbers together, and all the variables

-6(-10n+3)-(-9(-7n+9))=0

We multiply parentheses

60n-(-9(-7n+9))-18=0



We calculate terms in parentheses: -(-9(-7n+9)), so:

-9(-7n+9)

We multiply parentheses

63n-81

Back to the equation:

-(63n-81)



We get rid of parentheses

60n-63n+81-18=0

We add all the numbers together, and all the variables

-3n+63=0

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

-3n=-63

n=-63/-3

n=+21

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