-28=-4(3+n)

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Solution for -28=-4(3+n) equation: 



-28=-4(3+n)

We move all terms to the left:

-28-(-4(3+n))=0

We add all the numbers together, and all the variables

-(-4(n+3))-28=0



We calculate terms in parentheses: -(-4(n+3)), so:

-4(n+3)

We multiply parentheses

-4n-12

Back to the equation:

-(-4n-12)



We get rid of parentheses

4n+12-28=0

We add all the numbers together, and all the variables

4n-16=0

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

4n=16

n=16/4

n=4

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