-30=-6(5+7n)-7(8-4n)

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Solution for -30=-6(5+7n)-7(8-4n) equation: 



-30=-6(5+7n)-7(8-4n)

We move all terms to the left:

-30-(-6(5+7n)-7(8-4n))=0

We add all the numbers together, and all the variables

-(-6(7n+5)-7(-4n+8))-30=0



We calculate terms in parentheses: -(-6(7n+5)-7(-4n+8)), so:

-6(7n+5)-7(-4n+8)

We multiply parentheses

-42n+28n-30-56

We add all the numbers together, and all the variables

-14n-86

Back to the equation:

-(-14n-86)



We get rid of parentheses

14n+86-30=0

We add all the numbers together, and all the variables

14n+56=0

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

14n=-56

n=-56/14

n=-4

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