-9=3-6(11+r)

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Solution for -9=3-6(11+r) equation: 



-9=3-6(11+r)

We move all terms to the left:

-9-(3-6(11+r))=0

We add all the numbers together, and all the variables

-(3-6(r+11))-9=0



We calculate terms in parentheses: -(3-6(r+11)), so:

3-6(r+11)

determiningTheFunctionDomain
-6(r+11)+3

We multiply parentheses

-6r-66+3

We add all the numbers together, and all the variables

-6r-63

Back to the equation:

-(-6r-63)



We get rid of parentheses

6r+63-9=0

We add all the numbers together, and all the variables

6r+54=0

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

6r=-54

r=-54/6

r=-9

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