-3(7-3n)=6n

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



-3(7-3n)=6n

We move all terms to the left:

-3(7-3n)-(6n)=0

We add all the numbers together, and all the variables

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

We add all the numbers together, and all the variables

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

We multiply parentheses

-6n+9n-21=0

We add all the numbers together, and all the variables

3n-21=0

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

3n=21

n=21/3

n=7

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