30=2(n+3)

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



30=2(n+3)

We move all terms to the left:

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



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

2(n+3)

We multiply parentheses

2n+6

Back to the equation:

-(2n+6)



We get rid of parentheses

-2n-6+30=0

We add all the numbers together, and all the variables

-2n+24=0

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

-2n=-24

n=-24/-2

n=+12

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