-168=-7+7(-5+3n)

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Solution for -168=-7+7(-5+3n) equation: 



-168=-7+7(-5+3n)

We move all terms to the left:

-168-(-7+7(-5+3n))=0

We add all the numbers together, and all the variables

-(-7+7(3n-5))-168=0



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

-7+7(3n-5)

determiningTheFunctionDomain
7(3n-5)-7

We multiply parentheses

21n-35-7

We add all the numbers together, and all the variables

21n-42

Back to the equation:

-(21n-42)



We get rid of parentheses

-21n+42-168=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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