8n+4=9n-12

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Solution for 8n+4=9n-12 equation: 



8n+4=9n-12

We move all terms to the left:

8n+4-(9n-12)=0

We get rid of parentheses

8n-9n+12+4=0

We add all the numbers together, and all the variables

-1n+16=0

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

-n=-16

n=-16/-1

n=+16

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