12n+8-n=17+4n+40

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Solution for 12n+8-n=17+4n+40 equation: 



12n+8-n=17+4n+40

We move all terms to the left:

12n+8-n-(17+4n+40)=0

We add all the numbers together, and all the variables

12n-n-(4n+57)+8=0

We add all the numbers together, and all the variables

11n-(4n+57)+8=0

We get rid of parentheses

11n-4n-57+8=0

We add all the numbers together, and all the variables

7n-49=0

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

7n=49

n=49/7

n=7

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