28=2(n+9)

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Solution for 28=2(n+9) equation: 



28=2(n+9)

We move all terms to the left:

28-(2(n+9))=0



We calculate terms in parentheses: -(2(n+9)), so:

2(n+9)

We multiply parentheses

2n+18

Back to the equation:

-(2n+18)



We get rid of parentheses

-2n-18+28=0

We add all the numbers together, and all the variables

-2n+10=0

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

-2n=-10

n=-10/-2

n=+5

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