-40=-2(8+5n)+2n

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Solution for -40=-2(8+5n)+2n equation: 



-40=-2(8+5n)+2n

We move all terms to the left:

-40-(-2(8+5n)+2n)=0

We add all the numbers together, and all the variables

-(-2(5n+8)+2n)-40=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+16-40=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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