-8(7-4n)-n=99

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Solution for -8(7-4n)-n=99 equation: 



-8(7-4n)-n=99

We move all terms to the left:

-8(7-4n)-n-(99)=0

We add all the numbers together, and all the variables

-8(-4n+7)-n-99=0

We add all the numbers together, and all the variables

-1n-8(-4n+7)-99=0

We multiply parentheses

-1n+32n-56-99=0

We add all the numbers together, and all the variables

31n-155=0

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

31n=155

n=155/31

n=5

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