-30+7n=7(n-4)

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Solution for -30+7n=7(n-4) equation: 



-30+7n=7(n-4)

We move all terms to the left:

-30+7n-(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+28-30=0

We add all the numbers together, and all the variables

-2!=0

There is no solution for this equation

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