-20=4(2n+12)

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Solution for -20=4(2n+12) equation: 



-20=4(2n+12)

We move all terms to the left:

-20-(4(2n+12))=0



We calculate terms in parentheses: -(4(2n+12)), so:

4(2n+12)

We multiply parentheses

8n+48

Back to the equation:

-(8n+48)



We get rid of parentheses

-8n-48-20=0

We add all the numbers together, and all the variables

-8n-68=0

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

-8n=68

n=68/-8

n=-8+1/2

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