280=7(4n+8)

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Solution for 280=7(4n+8) equation: 



280=7(4n+8)

We move all terms to the left:

280-(7(4n+8))=0



We calculate terms in parentheses: -(7(4n+8)), so:

7(4n+8)

We multiply parentheses

28n+56

Back to the equation:

-(28n+56)



We get rid of parentheses

-28n-56+280=0

We add all the numbers together, and all the variables

-28n+224=0

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

-28n=-224

n=-224/-28

n=+8

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