12+2n=3-8n

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Solution for 12+2n=3-8n equation: 



12+2n=3-8n

We move all terms to the left:

12+2n-(3-8n)=0

We add all the numbers together, and all the variables

2n-(-8n+3)+12=0

We get rid of parentheses

2n+8n-3+12=0

We add all the numbers together, and all the variables

10n+9=0

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

10n=-9

n=-9/10

n=-9/10

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