4(n-3)-(-4n-9)=7n

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Solution for 4(n-3)-(-4n-9)=7n equation: 



4(n-3)-(-4n-9)=7n

We move all terms to the left:

4(n-3)-(-4n-9)-(7n)=0

We add all the numbers together, and all the variables

-7n+4(n-3)-(-4n-9)=0

We multiply parentheses

-7n+4n-(-4n-9)-12=0

We get rid of parentheses

-7n+4n+4n+9-12=0

We add all the numbers together, and all the variables

n-3=0

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

n=3

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