40-8n=-2(1+7n)

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Solution for 40-8n=-2(1+7n) equation: 



40-8n=-2(1+7n)

We move all terms to the left:

40-8n-(-2(1+7n))=0

We add all the numbers together, and all the variables

-8n-(-2(7n+1))+40=0



We calculate terms in parentheses: -(-2(7n+1)), so:

-2(7n+1)

We multiply parentheses

-14n-2

Back to the equation:

-(-14n-2)



We get rid of parentheses

-8n+14n+2+40=0

We add all the numbers together, and all the variables

6n+42=0

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

6n=-42

n=-42/6

n=-7

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