-(2r+9)+7=-6-3(r-2)

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Solution for -(2r+9)+7=-6-3(r-2) equation: 



-(2r+9)+7=-6-3(r-2)

We move all terms to the left:

-(2r+9)+7-(-6-3(r-2))=0

We get rid of parentheses

-2r-(-6-3(r-2))-9+7=0



We calculate terms in parentheses: -(-6-3(r-2)), so:

-6-3(r-2)

determiningTheFunctionDomain
-3(r-2)-6

We multiply parentheses

-3r+6-6

We add all the numbers together, and all the variables

-3r

Back to the equation:

-(-3r)



We add all the numbers together, and all the variables

-2r-(-3r)-2=0

We get rid of parentheses

-2r+3r-2=0

We add all the numbers together, and all the variables

r-2=0

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

r=2

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