-126=6-6(1+7n)

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Solution for -126=6-6(1+7n) equation: 



-126=6-6(1+7n)

We move all terms to the left:

-126-(6-6(1+7n))=0

We add all the numbers together, and all the variables

-(6-6(7n+1))-126=0



We calculate terms in parentheses: -(6-6(7n+1)), so:

6-6(7n+1)

determiningTheFunctionDomain
-6(7n+1)+6

We multiply parentheses

-42n-6+6

We add all the numbers together, and all the variables

-42n

Back to the equation:

-(-42n)



We get rid of parentheses

42n-126=0

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

42n=126

n=126/42

n=3

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