-20=-2(-8+5n)+2n

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Solution for -20=-2(-8+5n)+2n equation: 



-20=-2(-8+5n)+2n

We move all terms to the left:

-20-(-2(-8+5n)+2n)=0

We add all the numbers together, and all the variables

-(-2(5n-8)+2n)-20=0



We calculate terms in parentheses: -(-2(5n-8)+2n), so:

-2(5n-8)+2n

We add all the numbers together, and all the variables

2n-2(5n-8)

We multiply parentheses

2n-10n+16

We add all the numbers together, and all the variables

-8n+16

Back to the equation:

-(-8n+16)



We get rid of parentheses

8n-16-20=0

We add all the numbers together, and all the variables

8n-36=0

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

8n=36

n=36/8

n=4+1/2

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