-12+7n=7(n-1)

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Solution for -12+7n=7(n-1) equation: 



-12+7n=7(n-1)

We move all terms to the left:

-12+7n-(7(n-1))=0



We calculate terms in parentheses: -(7(n-1)), so:

7(n-1)

We multiply parentheses

7n-7

Back to the equation:

-(7n-7)



We get rid of parentheses

7n-7n+7-12=0

We add all the numbers together, and all the variables

-5!=0

There is no solution for this equation

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