7n-9=3-9n

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Solution for 7n-9=3-9n equation: 



7n-9=3-9n

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

7n+9n-3-9=0

We add all the numbers together, and all the variables

16n-12=0

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

16n=12

n=12/16

n=3/4

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