-140=-8n-6(n+7)

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Solution for -140=-8n-6(n+7) equation: 



-140=-8n-6(n+7)

We move all terms to the left:

-140-(-8n-6(n+7))=0



We calculate terms in parentheses: -(-8n-6(n+7)), so:

-8n-6(n+7)

We multiply parentheses

-8n-6n-42

We add all the numbers together, and all the variables

-14n-42

Back to the equation:

-(-14n-42)



We get rid of parentheses

14n+42-140=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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