7n-28=7(n-4)

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Solution for 7n-28=7(n-4) equation: 



7n-28=7(n-4)

We move all terms to the left:

7n-28-(7(n-4))=0



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

7(n-4)

We multiply parentheses

7n-28

Back to the equation:

-(7n-28)



We get rid of parentheses

7n-7n+28-28=0

We add all the numbers together, and all the variables

=0

n=0/1

n=0

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