9n=4-7n

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Solution for 9n=4-7n equation: 



9n=4-7n

We move all terms to the left:

9n-(4-7n)=0

We add all the numbers together, and all the variables

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

We get rid of parentheses

9n+7n-4=0

We add all the numbers together, and all the variables

16n-4=0

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

16n=4

n=4/16

n=1/4

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