-7n=9-4n

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Solution for -7n=9-4n equation: 



-7n=9-4n

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

-7n+4n-9=0

We add all the numbers together, and all the variables

-3n-9=0

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

-3n=9

n=9/-3

n=-3

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