-102=-5(4n+7)-7

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Solution for -102=-5(4n+7)-7 equation: 



-102=-5(4n+7)-7

We move all terms to the left:

-102-(-5(4n+7)-7)=0



We calculate terms in parentheses: -(-5(4n+7)-7), so:

-5(4n+7)-7

We multiply parentheses

-20n-35-7

We add all the numbers together, and all the variables

-20n-42

Back to the equation:

-(-20n-42)



We get rid of parentheses

20n+42-102=0

We add all the numbers together, and all the variables

20n-60=0

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

20n=60

n=60/20

n=3

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