30+8n=-2(3-7n)

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Solution for 30+8n=-2(3-7n) equation: 



30+8n=-2(3-7n)

We move all terms to the left:

30+8n-(-2(3-7n))=0

We add all the numbers together, and all the variables

8n-(-2(-7n+3))+30=0



We calculate terms in parentheses: -(-2(-7n+3)), so:

-2(-7n+3)

We multiply parentheses

14n-6

Back to the equation:

-(14n-6)



We get rid of parentheses

8n-14n+6+30=0

We add all the numbers together, and all the variables

-6n+36=0

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

-6n=-36

n=-36/-6

n=+6

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