331-2=-6-5(-9r-4)

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Solution for 331-2=-6-5(-9r-4) equation: 



331-2=-6-5(-9r-4)

We move all terms to the left:

331-2-(-6-5(-9r-4))=0

We add all the numbers together, and all the variables

-(-6-5(-9r-4))+329=0



We calculate terms in parentheses: -(-6-5(-9r-4)), so:

-6-5(-9r-4)

determiningTheFunctionDomain
-5(-9r-4)-6

We multiply parentheses

45r+20-6

We add all the numbers together, and all the variables

45r+14

Back to the equation:

-(45r+14)



We get rid of parentheses

-45r-14+329=0

We add all the numbers together, and all the variables

-45r+315=0

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

-45r=-315

r=-315/-45

r=+7

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