-100=-2(1+8n)+2n

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Solution for -100=-2(1+8n)+2n equation: 



-100=-2(1+8n)+2n

We move all terms to the left:

-100-(-2(1+8n)+2n)=0

We add all the numbers together, and all the variables

-(-2(8n+1)+2n)-100=0



We calculate terms in parentheses: -(-2(8n+1)+2n), so:

-2(8n+1)+2n

We add all the numbers together, and all the variables

2n-2(8n+1)

We multiply parentheses

2n-16n-2

We add all the numbers together, and all the variables

-14n-2

Back to the equation:

-(-14n-2)



We get rid of parentheses

14n+2-100=0

We add all the numbers together, and all the variables

14n-98=0

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

14n=98

n=98/14

n=7

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