-123=-3(8n-7)

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Solution for -123=-3(8n-7) equation: 



-123=-3(8n-7)

We move all terms to the left:

-123-(-3(8n-7))=0



We calculate terms in parentheses: -(-3(8n-7)), so:

-3(8n-7)

We multiply parentheses

-24n+21

Back to the equation:

-(-24n+21)



We get rid of parentheses

24n-21-123=0

We add all the numbers together, and all the variables

24n-144=0

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

24n=144

n=144/24

n=6

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