124=5-7(1-3n)

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Solution for 124=5-7(1-3n) equation: 



124=5-7(1-3n)

We move all terms to the left:

124-(5-7(1-3n))=0

We add all the numbers together, and all the variables

-(5-7(-3n+1))+124=0



We calculate terms in parentheses: -(5-7(-3n+1)), so:

5-7(-3n+1)

determiningTheFunctionDomain
-7(-3n+1)+5

We multiply parentheses

21n-7+5

We add all the numbers together, and all the variables

21n-2

Back to the equation:

-(21n-2)



We get rid of parentheses

-21n+2+124=0

We add all the numbers together, and all the variables

-21n+126=0

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

-21n=-126

n=-126/-21

n=+6

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