9+7n=1+4n-4

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



9+7n=1+4n-4

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

7n-4n+3+9=0

We add all the numbers together, and all the variables

3n+12=0

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

3n=-12

n=-12/3

n=-4

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