1n-9=9n+15

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Solution for 1n-9=9n+15 equation: 



1n-9=9n+15

We move all terms to the left:

1n-9-(9n+15)=0

We add all the numbers together, and all the variables

n-(9n+15)-9=0

We get rid of parentheses

n-9n-15-9=0

We add all the numbers together, and all the variables

-8n-24=0

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

-8n=24

n=24/-8

n=-3

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