30=-5(n-91)

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Solution for 30=-5(n-91) equation: 



30=-5(n-91)

We move all terms to the left:

30-(-5(n-91))=0



We calculate terms in parentheses: -(-5(n-91)), so:

-5(n-91)

We multiply parentheses

-5n+455

Back to the equation:

-(-5n+455)



We get rid of parentheses

5n-455+30=0

We add all the numbers together, and all the variables

5n-425=0

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

5n=425

n=425/5

n=85

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