-123=-3(1+8n)

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Solution for -123=-3(1+8n) equation: 



-123=-3(1+8n)

We move all terms to the left:

-123-(-3(1+8n))=0

We add all the numbers together, and all the variables

-(-3(8n+1))-123=0



We calculate terms in parentheses: -(-3(8n+1)), so:

-3(8n+1)

We multiply parentheses

-24n-3

Back to the equation:

-(-24n-3)



We get rid of parentheses

24n+3-123=0

We add all the numbers together, and all the variables

24n-120=0

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

24n=120

n=120/24

n=5

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