-(-4n+6)-3(n-7)=21

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Solution for -(-4n+6)-3(n-7)=21 equation: 



-(-4n+6)-3(n-7)=21

We move all terms to the left:

-(-4n+6)-3(n-7)-(21)=0

We multiply parentheses

-(-4n+6)-3n+21-21=0

We get rid of parentheses

4n-3n-6+21-21=0

We add all the numbers together, and all the variables

n-6=0

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

n=6

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