7r-35=7-7(-6-3r)

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Solution for 7r-35=7-7(-6-3r) equation: 



7r-35=7-7(-6-3r)

We move all terms to the left:

7r-35-(7-7(-6-3r))=0

We add all the numbers together, and all the variables

7r-(7-7(-3r-6))-35=0



We calculate terms in parentheses: -(7-7(-3r-6)), so:

7-7(-3r-6)

determiningTheFunctionDomain
-7(-3r-6)+7

We multiply parentheses

21r+42+7

We add all the numbers together, and all the variables

21r+49

Back to the equation:

-(21r+49)



We get rid of parentheses

7r-21r-49-35=0

We add all the numbers together, and all the variables

-14r-84=0

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

-14r=84

r=84/-14

r=-6

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