4n-4(1+7n)=9+21

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Solution for 4n-4(1+7n)=9+21 equation: 



4n-4(1+7n)=9+21

We move all terms to the left:

4n-4(1+7n)-(9+21)=0

We add all the numbers together, and all the variables

4n-4(7n+1)-30=0

We multiply parentheses

4n-28n-4-30=0

We add all the numbers together, and all the variables

-24n-34=0

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

-24n=34

n=34/-24

n=-1+5/12

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