221=-6(-8-6n)-7

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Solution for 221=-6(-8-6n)-7 equation: 



221=-6(-8-6n)-7

We move all terms to the left:

221-(-6(-8-6n)-7)=0

We add all the numbers together, and all the variables

-(-6(-6n-8)-7)+221=0



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

-6(-6n-8)-7

We multiply parentheses

36n+48-7

We add all the numbers together, and all the variables

36n+41

Back to the equation:

-(36n+41)



We get rid of parentheses

-36n-41+221=0

We add all the numbers together, and all the variables

-36n+180=0

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

-36n=-180

n=-180/-36

n=+5

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