12=8(n+2)+20

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Solution for 12=8(n+2)+20 equation: 



12=8(n+2)+20

We move all terms to the left:

12-(8(n+2)+20)=0



We calculate terms in parentheses: -(8(n+2)+20), so:

8(n+2)+20

We multiply parentheses

8n+16+20

We add all the numbers together, and all the variables

8n+36

Back to the equation:

-(8n+36)



We get rid of parentheses

-8n-36+12=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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