8n-3-9n=5+n-12

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Solution for 8n-3-9n=5+n-12 equation: 



8n-3-9n=5+n-12

We move all terms to the left:

8n-3-9n-(5+n-12)=0

We add all the numbers together, and all the variables

8n-9n-(n-7)-3=0

We add all the numbers together, and all the variables

-1n-(n-7)-3=0

We get rid of parentheses

-1n-n+7-3=0

We add all the numbers together, and all the variables

-2n+4=0

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

-2n=-4

n=-4/-2

n=+2

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