30+5n=2(-4-7n)

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Solution for 30+5n=2(-4-7n) equation: 



30+5n=2(-4-7n)

We move all terms to the left:

30+5n-(2(-4-7n))=0

We add all the numbers together, and all the variables

5n-(2(-7n-4))+30=0



We calculate terms in parentheses: -(2(-7n-4)), so:

2(-7n-4)

We multiply parentheses

-14n-8

Back to the equation:

-(-14n-8)



We get rid of parentheses

5n+14n+8+30=0

We add all the numbers together, and all the variables

19n+38=0

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

19n=-38

n=-38/19

n=-2

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